Mathematics, 19.12.2019 21:31, savannahvargas512
Assume that weights of men are normally distributed with a mean of 170 lb and a standard deviation of 30 lb (approximate values based on data from the national health and nutrition examination survey). what percentage of individual men have weights less than 185 lb? if samples of 36 men are randomly selected and the mean weight is computed for each sample, what percentage of the sample means are less than 185 lb?
a. 0.3156
b. 0.2611
c. 0.2312
d. 0.4602
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