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The annual commissions earned by sales representatives of XYZ corp follow a normal probability distribution with a mean of $40000 and a standard deviation of $5000 What percentage earn more

The annual commissions earned by sales representatives of XYZ corp follow a normal probability distribution with a mean of $40,000 and a standard deviation of $5,000

a) What percentage earn more than $42,000 per year?

b) What percentage earn between $32,000 and $45,000?

c) What percentage earn less than $31,000?

d) Suppose the manager wants to give a bonus to the sales representatives in the top 20% of earned commissions What is the dollar cutoff value for commissions?

e) What is the z-score for $31,000?

f) what is the z-score for $42,000?

May 01 2020 View more View Less

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