Please try to write clear and explain. Section 3-1 Question Suggested Pacing/Tim

Question

Please try to write clear and explain.

Section 3-1 Question Suggested Pacing/Time to Complete: 10 Minutes (For those students who earn at least a "B" on the test, performance on the third section will determine whether or not you eam an "A" on the test.) The number of surface imperfections in leather panels used in the interior of a particular luxury vehicle has a Poisson distribution with a mean of 0.5 imperfections per square foot of leather. Assume a vehicle interior contains 10 square feet of leather paneling. a. What is the probability that there are no surface imperfections in a vehicle's interior? b. If 10 vehicles are sold to a limousine company, what is the probability that none of the 10 vehicles has any surface imperfections?

Explanation / Answer

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MCQ

1) A option

2) CDF

The notation sometimes confuses students. The notation FX(t) means that F is the cdf for the random variable X but it is a function of t.

We do not focus too much on the cdf for a discrete random variable but we will use them very often when we study continuous random variables. It does not mean that the cdf is not important for discrete random variables. They are just not always used since there are tables and software that help us to find these probabilities for common distributions.

CDF = cumulative distribution function

B option

3)

All of above are meaures

E option

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