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9. [-/9.09 Points] DETAILS BBBASICSTATSACC 7.5.006.MI.S. MY NOTES ASK YOUR TEACHER Suppose x has a distribution with a mean of 70 and a standard deviation

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9. [-/9.09 Points] DETAILS BBBASICSTATSACC 7.5.006.MI.S. MY NOTES ASK YOUR TEACHER Suppose x has a distribution with a mean of 70 and a standard deviation of 4. Random samples of size n = 64 are drawn. (a) Describe the x distribution. O x has a geometric distribution. O x has an approximately normal distribution. O x has an unknown distribution. O x has a binomial distribution. O x has a Poisson distribution. O x has a normal distribution. Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) Hy = (b) Find the z value corresponding to x = 71. (Enter an exact number.) Z = (c) Find P(x

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