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Experimental Probability - Quit - Level 6
Jada keeps 175 hair beads in a storage box. She chooses a bead without looking, notes what color it is, and returns it to the box. She does this several times. The table shows the results.
Jada's cousin wants to get her hair done with pink beads. Based on the table, predict the number of pink beads in Jada's storage box.
? pink beads




Bead Color
Frequency


Pink
7


Green
8


Red
10

11-Ready\newlinelogin.i-ready.com/student/dashboard/home\newlinei-Ready\newlineExperimental Probability - Quit - Level 66\newlineJada keeps 175175 hair beads in a storage box. She chooses a bead without looking, notes what color it is, and returns it to the box. She does this several times. The table shows the results.\newlineJada's cousin wants to get her hair done with pink beads. Based on the table, predict the number of pink beads in Jada's storage box.\newline? pink beads\newline\begin{tabular}{|l|c|}\newline\hline Bead Color & Frequency \\\newline\hline Pink & 77 \\\newline\hline Green & 88 \\\newline\hline Red & 1010 \\\newline\hline\newline\end{tabular}

Full solution

Q. 11-Ready\newlinelogin.i-ready.com/student/dashboard/home\newlinei-Ready\newlineExperimental Probability - Quit - Level 66\newlineJada keeps 175175 hair beads in a storage box. She chooses a bead without looking, notes what color it is, and returns it to the box. She does this several times. The table shows the results.\newlineJada's cousin wants to get her hair done with pink beads. Based on the table, predict the number of pink beads in Jada's storage box.\newline? pink beads\newline\begin{tabular}{|l|c|}\newline\hline Bead Color & Frequency \\\newline\hline Pink & 77 \\\newline\hline Green & 88 \\\newline\hline Red & 1010 \\\newline\hline\newline\end{tabular}
  1. Calculate Total Frequency: Calculate the total frequency of all bead colors.\newlineTotal frequency = Pink + Green + Red = 7+8+10=257 + 8 + 10 = 25.
  2. Find Probability of Pink: Determine the experimental probability of choosing a pink bead. Probability(Pink)=Frequency of PinkTotal Frequency=725\text{Probability(Pink)} = \frac{\text{Frequency of Pink}}{\text{Total Frequency}} = \frac{7}{25}.
  3. Predict Pink Beads: Use the experimental probability to predict the total number of pink beads. \newlineTotal Beads in Box ×\times Probability(Pink) = 175×(725)175 \times \left(\frac{7}{25}\right).
  4. Multiply to Find Predicted Beads: Perform the multiplication to find the predicted number of pink beads.\newlinePredicted Pink Beads = 175×(725)=7×7=49175 \times \left(\frac{7}{25}\right) = 7 \times 7 = 49.

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