Question: please help solve 17. What is the total area under the normal curve? A. It depends on the mean B. 0.5 C. 1 D. It

please help solve

17. What is the total area under the normal curve? A. It depends on the mean B. 0.5 C. 1 D. It depends on the standard deviation 18. Determine the z score of the percentile P80. If the area is not in the table, use the entry closest to the area. A. z=2.05 B. z=0.15 C. z=0.84 D. z=2.05 19. In a survey of women, the mean height was 66 inches with a standard deviation of 2 . Use the Empirical Rule to determine the percentage of women taller than 68 inches. A. 16% B. 34% C) 5% D) 2%

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