Question
The distribution of the number of siblings of students at a local high school has a mean of 2.2 siblings, a standard deviation of 1.4
The distribution of the number of siblings of students at a local high school has a mean of 2.2 siblings, a standard deviation of 1.4 siblings, and is strongly skewed right. Suppose we select a random sample of size 50 from the students at the high school. What is the approximate probability that the mean number of siblings in the sample of size 50 is at most 2 ?
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
