Question

if the probability of picking a green marble from a bag of green and red marbles is 0.3. if i choose a marble 100 times and replace it each time. how many times would i expect to pick a green marble?

Answer 1

30 marbles would be green

Explanation:

green chance is 0.3

red chance 0.7

.3 times 100

30 green marbles is what you would expect