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...


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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<br>sample of 100 people from this country, what is the probability that the average age of our sample is at least 32?<br>0.599<br>0.401<br>0.994<br>0.006<br>

Extracted text: 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? 0.599 0.401 0.994 0.006

Jun 02, 2022
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