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The mean and standard deviation of the sampling

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The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters and a standard deviation of 6.9 centimeters. If 200 random samples of size 25 are drawn from this population and the means recorded to the nearest tenth of a centimeter, determine

(a) The mean and standard deviation of the sampling distribution of X;

(b) The number of sample means that fall between 172.5 and 175.8 centimeters inclusive;

(c) The number of sample means falling below 172.0 centimeters.

Reference no: EM13576635

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