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Formulas Part 2 out of 2 What is the probability that a randomly chosen value will be greater than 5 The probability that a r
Question 12 of 23 (1 poind) 6 2 Section Exercise 23-26 (cac) nonnal population has mean μ-57 and standard deriatioa σ-8. What
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Answer #1

Ans:

12)

For 87th percentile:

P(Z<=z)=0.87

z=normsinv(0.87)

z=1.126

So,

P87=57+1.126*8

P87=66.0

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