7. The heights of women follow a normal distribution with a mean of 64.5 inches and a standard deviation of 2.8 inches. (a) (2 points) What percent of women are taller than 72 inches (6 feet)? (b) (4 points) From a SRS of 50 women, what is the probability that their mean height is between 60 inches and 72 inches?

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A: Let X represents the scores on a reading test. According to the given information,  X~ N(60,10)…

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A:

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A:

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A:

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