Consider the distribution of monthly Social Security (OASDI) payments. Assume a normal distribution with a standard deviation
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Consider the distribution of monthly Social Security (OASDI) payments. Assume a normal distribution with a standard deviation of $120. Ifone-fourth of the payments are above $1255.94, what is the mean monthly payment?
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Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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