Resources

Resources

Make predictions

18

trains to pull into Castroville Station,

12

were full. Considering this data, how many of the next

12

trains would you expect to be full?

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If you spin the spinner

10

times, what is the best prediction possible for the number of times it will land on pink?

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In recent days, Rudy has worn a brown shirt on

5

days and shirts in other colors on

5

days. Considering this data, how many times would you expect Rudy to wear a brown shirt in the next

12

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You select a marble without looking and then put it back. If you do this

9

times, what is the best prediction possible for the number of times you will pick an orange marble?

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Anthony's Muffin Shop recently sold

4

blackberry muffins and

6

other muffins. Considering this data, how many of the next

20

muffins sold would you expect to be blackberry muffins?

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____ blackberry muffins

Brandon recorded which donut his nephew picked for breakfast the past few months.

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2

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chocolate frosted donuts

2

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jelly-filled donuts

5

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3

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------------------------ -

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Considering this data, how many of the next

20

donuts Brandon's nephew picks for breakfast would you expect to be glazed donuts?

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____ glazed donuts

2

12

customers wanted mustard on their hot dogs. Considering this data, how many of the next

6

customers would you expect to want mustard?

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On his recent free-throw attempts, Lamar made

4

shots and missed

6

shots. Considering this data, how many of his next

20

free-throw attempts would you expect Lamar to miss?

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Ann runs a day care center. Of the last

18

children to enroll at the day care center,

8

of them have been elementary school students. Considering this data, how many of the next

9

children to enroll should you expect to be elementary school students?

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____ elementary school students

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Out of the people who have already taken their seats at a seminar,

2

people have black hair while

2

people do not. Considering this data, how many of the next

16

people to take their seats should you expect to be black-haired?

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____ black-haired people

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18

trains to pull into Castroville Station,

12

were full. Considering this data, how many of the next

12

trains would you expect to be full?

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3

chihuahuas at the dog park last Saturday, along with

9

other dogs. Considering this data, how many of the next

20

dogs to arrive at the park next Saturday should you expect to be chihuahuas?

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____ chihuahuas

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256

how many times would you expect to spin

A

B

Declan's friend Luka claims that he can read minds. To test Luka's abilities, Declan draws

5

cards without replacement from a standard deck of

52

playing cards. Declan then asks Luka to identify in any order which

5

cards he drew without looking. Assume that Luka has no special abilities and is randomly guessing the cards. What is the probability that Luka correctly identifies all

5

cards in any order?

20

people living in Eastbury and

20

people living in Grand Valley how many televisions are in their households. She recorded her results in these box plots

Suppose you roll a standard six-sided die

186

times. How many more times would you expect to roll an even number than roll a

5

6

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athen your want them

Elizabeth is going to flip a fair coin

100

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What is the best prediction for the number of times that the coin will land tails up?

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1

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200

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200

times but probably not exactly

200

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50

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50

times but probably not exactly

50

2

1-2 \%

of the population has red hair. If

800

people were randomly sampled, about how many of them would you expect to be red heads?

7

. Which is the most reasonable prediction for the total cost of a purchase with

3

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\$ 20

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\$ 6

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\$ 34

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\$\(1\)\(\newline\)CLEAR ALL\(\newline\)NUMBER OF ITEMS

30

adults booked to stay in a hotel.

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19

adults booked breakfast

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15

adults booked dinner

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4

adults did not book breakfast or dinner

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Some adults booked breakfast and dinner.

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Meihui chooses at random two of the 30 adults.

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Work out the probability that these two adults each booked breakfast and dinner.

12

counters in a bag.

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3

of the counters are red

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9

of the counters are green

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Ameya, Jack and Ella each take at random one counter from the bag.

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Work out the probability that at least one red counter is still in the bag.

If a fair coin is tossed

4

times, what is the probability, to the nearest thousandth, of getting exactly

2

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If a fair coin is tossed

7

times, what is the probability, to the nearest thousandth, of getting exactly

4

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If a fair die is rolled

7

times, what is the probability, to the nearest thousandth, of getting exactly o fours?

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A lock has a code of

5

1

10

. If no numbers in the code are allowed to repeat, how many different codes could be made?

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The principal would like to assemble a committee of

7

students from the

12

-member student council. How many different committees can be chosen?

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If the Math Olympiad Club consists of

16

students, how many different teams of

4

students can be formed for competitions?

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98.6,99.0,98.9,98.3,98.7

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What is the mean of the list of numbers?

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Show calculator

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How do I enter a student-produced response on the SAT? Show me!

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How many times larger is

8\times10^6

2\times10^2

Kaylee owns a small business selling bagels. She knows that in the last week

13

customers paid cash,

32

customers used a debit card, and

53

customers used a credit card.

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If next week, she is expecting

1900

customers, about how many would you expect to pay with cash? Round your answer to the nearest whole number.

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1

2

3

40

0

25

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Joshua owns a small business selling bagels. He knows that in the last week

39

customers paid cash,

22

customers used a debit card, and

2

customers used a credit card.

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If next week, he is expecting

700

customers, about how many would you expect to pay with cash? Round your answer to the nearest whole number.

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1

2

A spinner is divided into five colored sections that are not of equal size: ed, blue, green, yellow, and purple. The spinner is spun several times, and the results are recorded below:

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\begin{tabular}{|c|c|}

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\hline Spinner Results \\

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\hline Color & Frequency \\

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2

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10

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3

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\hline Yellow &

4

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\hline Purple &

20

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If the spinner is spun

1300

more times, about how many times would you expect to land on yellow? Round your answer to the nearest whole number.

Jack Allen kitchen recently sold

20

desserts, including

2

pieces of pie. What is the probability that the next dessert will be a slice of pie?

Which event is most likely to occur?

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Rolling a number less than

11

on a twelve-sided die, numbered from

1

12

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Spinning a spinner divided into four equal-sized sections colored red/green/yellow/blue and landing on brown.

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Winning a raffle that sold a total of

100

tickets, if you buy

27

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Reaching into a bag full of

39

strawberry chews and

21

cherry chews without looking and pulling out a strawberry chew.

Aisha owns a small business selling used books. She knows that in the last week

11

customers paid cash,

33

customers used a debit card, and

72

customers used a credit card.

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If next week, she is expecting

1200

customers, about how many would you expect to pay with a debit card? Round your answer to the nearest whole number.

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Shaniece owns a small business selling bagels. She knows that in the last week

83

customers paid cash,

7

customers used a debit card, and

21

customers used a credit card.

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If next week, she is expecting

1600

customers, about how many would you expect to pay with a credit card? Round your answer to the nearest whole number.

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Michael owns a small business selling ice-cream. He knows that in the last week

20

customers paid cash,

44

customers used a debit card, and

4

customers used a credit card.

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If next week, he is expecting

1700

customers, about how many would you expect to pay with a credit card? Round your answer to the nearest whole number.

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Jack volunteers on the weekend at the Central Library. As a school project, he decides to record how many people visit the library, and where they go. On Saturday,

475

people went to The Youth Wing,

307

people went to Social Issues, and

322

went to Fiction and Literature.

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On Sunday, the library had

800

total visitors. Based on what Jack had recorded on Saturday, about how many people should be expected to go to Social Issues? Round your answer to the nearest whole number.

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Tallulah owns a small business selling clothing. She knows that in the last week

28

customers paid cash,

15

customers used a debit card, and

61

customers used a credit card.

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If next week, she is expecting

1000

customers, about how many would you expect to pay with a debit card? Round your answer to the nearest whole number.

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Casho owns a small business selling ice-cream. She knows that in the last week

24

customers paid cash,

14

customers used a debit card, and

23

customers used a credit card.

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If next week, she is expecting

300

customers, about how many would you expect to pay with cash? Round your answer to the nearest whole number.

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Alyssa volunteers on the weekend at the Central Library. As a school project, she decides to record how many people visit the library, and where they go. On Saturday,

401

people went to The Youth Wing,

376

people went to Social Issues, and

320

went to Fiction and Literature.

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On Sunday, the library had

500

total visitors. Based on what Alyssa had recorded on Saturday, about how many people should be expected to go to Fiction and Literature? Round your answer to the nearest whole number.

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Deion owns a small business selling clothing. He knows that in the last week

45

customers paid cash,

6

customers used a debit card, and

37

customers used a credit card.

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Based on these results, express the probability that the next customer will pay with cash as a decimal to the nearest hundredth.

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1

2

15

. A board game has a spinner divided into equal sections. Each section is labeled with a number betwee

1

5

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Which number is a reasonable estimate of the number of times the spinner will land on a section labeled

5

ov the course of

150

\$45

one month and then each month thereafter she saves

\$4

more than the preceding month for a

16

A concert venue sold two types of tickets for an upcoming concert: reserved tickets and general admission tickets. Reserved tickets sold for

\$50

each and general admission tickets sold for

\$34

1520

tickets were sold for a total of

\$64000

, which of the following systems could be used to find the number of reserved tickets,

r

, and the number of general admission tickets,

g

, that were sold?

6

times as many middle school students as elementary students signed up for a spelling bee competition. If

95

more elementary students had signed up, there would have been an equal number of middle school and elementary school students. How many students signed up for the spelling bee competition?

Find the sum of the first

45

terms of the following series, to the nearest integer.

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2,7,12, \ldots

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Oliver volunteers on the weekend at the Central Library. As a school project, he decides to record how many people visit the library, and where they go. On Saturday,

385

people went to The Youth Wing,

355

people went to Social Issues, and

494

went to Fiction and Literature.

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On Sunday, the library had

1400

total visitors. Based on what Oliver had recorded on Saturday, about how many people should be expected to go to Fiction and Literature? Round your answer to the nearest whole number.

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2

2

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Oliver volunteers on the weekend at the Central Library. JAs a school project, he decides to record how many people visit the library, and where they go. On Saturday,

385

people went to The Youth Wing,

355

people went to Social Issues, and

494

went to Fiction and Literature.

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On Sunday, the library had

1400

total visitors. Based on what Oliver had recorded on Saturday, about how many people should be expected to go to Fiction and Literature? Round your answer to the nearest whole number.

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2

2

Corey owns a food truck that sells tacos and burritos. He only has enough supplies to make

81

tacos or burritos. He sells each taco for

\$ 5

and each burrito for

\$ 7.50

. Corey must sell a minimum of

\$ 510

worth of tacos and burritos each day. If

47

burritos were sold, determine all possible values for the number of tacos that Corey must sell in order to meet the requirements.

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