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1. For a normally distributed population of heights of 10,000 women, µ= 63 inches and ó = 5 inches. The number of heights in the population that fall between 66 and 68 inches is 1156.
2. In a normal distribution, approximately 91.31% of the area under the curve is found to the right of a point -1.36 standard deviations from the mean.
3. Approximately 92.5% of the area under the normal curve is located between the mean and +/- 1.78 standard deviations from the mean.
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Solution Summary
The expert examines the normally distributed populations of heights of 10,000 women. The solutions are provided.
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(1) TRUE
n = 10000, x1 = 66, x2 = 68
z1 = (x1 - m)/s = (66 - 63)/5 = 0.60 and z2 = (x2 - m)/s = (68 - 63)/5 = 1
Proportion of ...
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