Both 108A and 108B use the following information.
Bowl One contains 1 blue ball and 4 orange balls. Bowl Two contains 3 blue balls and 2 orange balls. A bowl is chosen at random. Balls are randomly chosen one at a time from the chosen bowl, with each chosen ball returning to the bowl.
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Problem 108A
What is the probability that four of the first six selections are blue ball?
Problem 108B
If four of the first six selections are blue balls, what is the probability that the balls are selected from Bowl One?
Answers

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