he owner of an appliance store is interested in the
relationship between the price at which an item is sold (regular or sale price)
and the customers decision on whether to purchase an extended warranty. After
analyzing her records, she produced the following joint probabilities.
a. What is the probability that a customer who bought an item
at the regular price purchased the extended warranty? b. What proportion of
customers buy an extended warranty? c. Are the events independent? Explain.
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