Question

A bag contains red and blue marbles. Two marbles are drawn without
replacement. The probability of selecting a red marble and then a blue marble is 0
.28.
The probability of selecting a red marble on the first draw is 0.5. What is the probability
of selecting a blue marble on the second draw, given that the first marble drawn was
red?

Answer 1

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

.5 * B = .28

Solve for B.

Answer 2

assignment

Answer 3

0.75