Recent studies indicate that the typical 50-year-old woman spends $350 per year for personal-
care products. The distribution of the amounts spent follows a normal distribution
with a standard deviation of $45 per year. We select a random sample of 40 women. The
mean amount spent for those sampled is $335. What is the likelihood of finding a sample
mean this large or larger from the specified population?
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86 women and $936
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