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Foot Locker uses sales per square foot as a measure of store productivity. Last year, the...

Foot Locker uses sales per square foot as a measure of store productivity. Last year, the mean annual sales per square foot was $370 with a standard deviation of $38.54. Suppose you take a random sample of 64 Foot Locker stores operating last year. There is a 18% probability that the sample mean annual sales per square foot is at most $______.

a. 374.4321

b. None of the answers is correct

c. 365.5679

d. 334.5432

e. 405.4568

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Answer #1

mean = 370

standard deviation = 38.54

For lower 18% z = -0.92 (from z-table)

n = 64

Hence, Option C) 365.5679 is the answer for this.

Please comment if any doubt. Thank you.

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