A population has mean = 47.5 and standard deviation = 12.6. A sample of size
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A population has mean μ = 47.5 and standard deviation σ = 12.6. A sample of size 112 is drawn.
a. Find the probability that x̄ is between 45 and 48.
b. Would it be unusual for x̄ to be greater than 48? Explain.
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To solve this problem well use the properties of the sampling distribution of the sample mean The sampling distribution of the sample mean follows a n...View the full answer
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