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The personnel office at a large electronics firm regularly schedules job interviews and maintains records of...

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Basic Math

The personnel office at a large electronics firm regularlyschedules job interviews and maintains records of the interviews.From the past records, they have found that the length of a firstinterview is normally distributed, with mean μ = 37minutes and standard deviation σ = 6 minutes. (Round youranswers to four decimal places.)

(a) What is the probability that a first interview will last 40minutes or longer?


(b) Two first interviews are usually scheduled per day. What is theprobability that the average length of time for the two interviewswill be 40 minutes or longer?

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