Round all answers to 4 decimal places. a. A bag contains 9 white marbles, 4 red marbles, and 5 green marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a white marble and then a green marble? b. A bag contains 4 black marbles, 5 green marbles, and 9 red marbles. If two different marbles are drawn from the bag, what is the probability of drawing first a black marble and then a red marble?

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Round all answers to 4 decimal places.
a. A bag contains 9 white marbles, 4 red marbles, and 5 green marbles. If a marble is drawn from the
bag, replaced, and another marble is drawn, what is the probability of drawing first a white marble and
then a green marble?
b. A bag contains 4 black marbles, 5 green marbles, and 9 red marbles. If two different marbles are
drawn from the bag, what is the probability of drawing first a black marble and then a red marble?
Transcribed Image Text:Round all answers to 4 decimal places. a. A bag contains 9 white marbles, 4 red marbles, and 5 green marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a white marble and then a green marble? b. A bag contains 4 black marbles, 5 green marbles, and 9 red marbles. If two different marbles are drawn from the bag, what is the probability of drawing first a black marble and then a red marble?
Expert Solution
Step 1

Given that 

A)

Total marbles = N = 9 + 4 + 5 = 18

White Marbles = W = 9

Red marbles = R = 4 

Green marbles = G = 5

B)

Total marbles = 4 + 5 + 9 = 18

Black marbles = 4

Green marbles = 5

Red marbles = 9

 

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