Question: Question 1 Let the random variable Z follow a standard normal distribution. Find the following probabilities. a) (5 points) P(Z31.72). b) (5 points) P(Z>1.1). c)

Question 1 Let the random variable Z follow a standard normal distribution. Find the following probabilities. a) (5 points) P(Z31.72). b) (5 points) P(Z>1.1). c) (5 points) P(1.1 1070) b) (15 points) P(990

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