Westonci.ca is the premier destination for reliable answers to your questions, brought to you by a community of experts. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

A jar contains 12 green marbles and 8 purple marbles. Two marbles are selected at random with replacement. What is the probability that the first green marble selected is green, then the second marble selected green?

Sagot :

Answer:  9/25

Explanation:

12 green + 8 purple = 20 total

12/20 = 3/5 is the probability of getting green

Since the first marble is put back, the second selection has the same probability of getting green. Each selection is independent. This occurs with any replacement situation.

Because we have independent events, the probability of getting two green in a row is (3/5)*(3/5) = 9/25