you select a marble without looking and then put it back. if you do this 8 times, what is the best…

you select a marble without looking and then put it back. if you do this 8 times, what is the best prediction possible for the number of times you will pick a pink marble? times submit

you select a marble without looking and then put it back. if you do this 8 times, what is the best prediction possible for the number of times you will pick a pink marble? times submit

Answer

Answer:

$\frac{8}{4}=2$

Explanation:

Step1: Count total marbles

There are 8 marbles in total (6 purple + 2 pink).

Step2: Calculate probability of pink

Probability of picking pink is $\frac{2}{8}=\frac{1}{4}$.

Step3: Predict number of pink picks

Number of pink picks in 8 tries is $8\times\frac{1}{4}=2$.