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Let x be a normally distributed random variable with mean = 70 and standard deviation = 8. For each of the following probabilities, draw an

Let x be a normally distributed random variable with mean = 70 and standard deviation = 8. For each of the following probabilities, draw an appropriate diagram, shade the appropriate region and then determine the value: (e) P(68 < x < 72), if a random sample of size n = 49 is drawn

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