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QUESTION
The cost of rotating tires once on Bal's Ford Tempo is $12. The probability that Bal rotates tires once in a given month is 0.
The cost of rotating tires once on Bal's Ford Tempo is $12.00. The probability that Bal rotates tires once in a given month is 0.1. Whether he rotates the tires in any one month is independent of whether he rotates the tires in any other month.
a. What is the probability that Bal rotates tires at least once this year?
b. What should Bal expect to pay for rotating tires this year? Give the standard deviation
as well.
