Question regarding the uniform probability

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Suppose that x is normally distributed with a mean of 20 and a standard deviation of 15. What is P(-7.45 ≤x≤ 54.95)?

The heights of students in a class are normally distributed with mean 59 inches and standard deviation 8 inches. Use the Empirical Rule to determine the interval that contains the middle 68% of the heights.   

Consider a spinner that, after a spin, will point to a number between zero and 1 with "uniform probability". Determine the probability: P(16 ≤ X ≤ 1942).

Reference no: EM131099472

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