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This question was created from Assignment III fall17.docx https://www.coursehero.com/file/27373952/Assignment-III-fall17docx/

4. Sara is a salesperson for Camera's Etc. Historically, she has averaged selling 2.1 extended
warranties per day for cameras that she sells.
a. What is the probability that Sara will not sale an extended warranties tomorrow?
b. What is the probability that Sara will sale more than 2 extended warranties tomorrow?
c. What are the mean and standard deviation for this distribution?
d. What is the probability that Sara will sale 10 extended warranties next week?

In this case, X = Number of extended warranties sold per day ~Poisson( = 2.1) The pmf of X can be given as, P(X = k) = e... View the full answer

This question is based on the poisson distribution where the given average number of... View the full answer

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