5. What is the probability of randomly selecting a sample of n = 20 people with an...
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5. What is the probability of randomly selecting a sample of n = 20 people with an average happiness score greater than 60?
Assume that happiness scores are normally distributed with a µ =
65 and σ = 15?
1. .0681 2. .0823 3. .9177 4. .9319
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