you select a marble without looking and then put it back. if you do this 6 times, what is the best…
you select a marble without looking and then put it back. if you do this 6 times, what is the best prediction possible for the number of times you will pick a green marble? times
Answer
Explanation:
Step1: Calculate probability of picking green
There are 2 green marbles and 6 total marbles. Probability $P=\frac{2}{6}=\frac{1}{3}$.
Step2: Predict number of green - picks
We pick 6 times. Multiply number of trials by probability. $6\times\frac{1}{3}=2$.
Answer:
2