The United States Census Bureau determined that the mean number of children in an American household is1.86
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Question:
The United States Census Bureau determined that the mean number of children in an American household is1.86
. Suppose50
households are polled and the sample mean is found to be2.1
and the standard deviation is found to be1.57
. What is the probability of another50
household sample with a sample mean of at least2.1
?
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