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Which event is least likely to occur?
Rolling a number less than 6 on a six-sided die, numbered from 1 to 6.
Spinning a spinner divided into four equal-sized sections colored red/green/yellow/blue and landing on red.
Winning a raffle that sold a total of 100 tickets, if you buy 35 tickets.
Reaching into a bag full of 59 strawberry chews and 21 cherry chews without looking and pulling out a strawberry chew.

Which event is least likely to occur? $\newline$ Rolling a number less than $6$ on a six-sided die, numbered from $1$ to $6$ . $\newline$ Spinning a spinner divided into four equal-sized sections colored red/green/yellow/blue and landing on red. $\newline$ Winning a raffle that sold a total of $100$ tickets, if you buy $35$ tickets. $\newline$ Reaching into a bag full of $59$ strawberry chews and $21$ cherry chews without looking and pulling out a strawberry chew.

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Make predictions using experimental probability

Full solution

Q. Which event is least likely to occur?

\newline

Rolling a number less than

6

on a six-sided die, numbered from

1

to

6

.

\newline

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

\newline

Winning a raffle that sold a total of

100

tickets, if you buy

35

tickets.

\newline

Reaching into a bag full of

59

strawberry chews and

21

cherry chews without looking and pulling out a strawberry chew.

Rolling Probability Analysis: Analyze the probability of rolling a number less than $6$ on a six-sided die. $\newline$ A six-sided die has numbers $1$ through $6$ . Rolling a number less than $6$ means rolling a $1$ , $2$ , $3$ , $4$ , or $5$ . $\newline$ Probability $=$ Number of favorable outcomes $1$ $0$ Total number of possible outcomes $\newline$ Probability $=$ $1$ $2$
Spinner Landing Probability: Analyze the probability of spinning a spinner divided into four equal-sized sections and landing on red. $\newline$ There are four equal sections, so the probability of landing on any one color, including red, is the same. $\newline$ Probability = $\frac{1}{4}$
Raffle Winning Probability: Analyze the probability of winning a raffle with $100$ tickets sold, if you buy $35$ tickets. $\newline$ Probability = Number of tickets you have / Total number of tickets $\newline$ Probability = $\frac{35}{100}$ $\newline$ Probability = $0.35$
Chew Selection Probability: Analyze the probability of reaching into a bag and pulling out a strawberry chew. There are $59$ strawberry chews and $21$ cherry chews, making a total of $80$ chews. Probability $=$ Number of strawberry chews $/$ Total number of chews Probability $= \frac{59}{80}$
Least Likely Event Comparison: Compare the probabilities to determine the least likely event. $\newline$ Rolling a number less than $6$ on a die: $\frac{5}{6}$ $\newline$ Spinning the spinner and landing on red: $\frac{1}{4}$ $\newline$ Winning the raffle: $0.35$ $\newline$ Pulling out a strawberry chew: $\frac{59}{80}$ $\newline$ The probability of spinning the spinner and landing on red ( $\frac{1}{4}$ ) is less than the probability of winning the raffle ( $0.35$ ), pulling out a strawberry chew ( $\frac{59}{80}$ ), and rolling a number less than $6$ on a die ( $\frac{5}{6}$ ).

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