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## In a certain country, the average age is 31 years old and the standard deviation is 4 years. If we select a simple random sample of 100 peop

Question

In a certain country, the average age is 31 years old and the standard deviation is 4 years. If we select a simple random sample of 100 people from this country, what is the probability that the average age of our sample is at least 32?

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Math
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2021-09-10T14:16:30+00:00
2021-09-10T14:16:30+00:00 1 Answer
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## Answers ( )

Answer: 0.0062Step-by-step explanation:Given :Mean :Standard deviation :

Sample size :

Assume that age of people in the country is normally distributed.

The formula to calculate the z-score :-For x = 32The p-value =Hence, the the probability that the average age of our sample is at least =0.0062