A national survey of bank customers finds that 40% are younger than 50. Of those younger...

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A national survey of bank customers finds that 40% are younger than 50. Of those younger than 50, 5 of 8 conduct their banking online. Of those older than 50, only 1 of 12 banks online. a. Draw a tree for this situation. b. Why is the tree better than the table in this case? c. Where are the joint probabilities found? d. What is the probability that a randomly selected bank customer will be older than 50 and does not bank online? e. What is the chance that a bank customer who banks online is younger than 50? Keep in mind we have reversed the conditioning. A national survey of bank customers finds that 40% are younger than 50. Of those younger than 50, 5 of 8 conduct their banking online. Of those older than 50, only 1 of 12 banks online. a. Draw a tree for this situation. b. Why is the tree better than the table in this case? c. Where are the joint probabilities found? d. What is the probability that a randomly selected bank customer will be older than 50 and does not bank online? e. What is the chance that a bank customer who banks online is younger than 50? Keep in mind we have reversed the conditioning.

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From the given data 50 younger are 040 less than more dhao 50 olde... View the full answer