A random sample of n = 68 observations is selected from a population with = 19.6

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A random sample of n = 68 observations is selected from a population with μ = 19.6 and σ = 3.2. Approximate each of the following probabilities:
a. P(x̅ ≤ 19.6)
b. P(x̅ ≤ 19)
c. P(x̅ ≥ 20.1)
d. P(19.2 ≤ x̅ ≤ 20.6)
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Statistics For Business And Economics

ISBN: 9780134506593

13th Edition

Authors: James T. McClave, P. George Benson, Terry Sincich

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