A company claims that the premiums paid by its clients for auto insurance has a normal distribution
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A company claims that the premiums paid by its clients for auto insurance has a normal distribution with mean μ = 750 dollars and standard deviation σ = 100 dollars. Assuming normality, what is the probability that for n = 9 randomly sampled clients, the sample mean will a value between 700 and 800 dollars?
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Related Book For
Basic Statistics Understanding Conventional Methods And Modern Insights
ISBN: 9780195315103
1st Edition
Authors: Rand R. Wilcox
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