The owner of a local nightclub has recently surveyed a random sample of n = 250...

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math Statistics-And-Probability

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Answer 1

Answer #1

Solution:-

1) option C. 0.0780

Explanation: Given that n = 250, X = 30, mean = 30.45, s = 5

t = (30-30.45)/(5/sqrt(250))
t = -1.423

p-value = .077994 = 0.0780 (rounded)

2) option A.

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Answer 2

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