The mean of a population is 54 and the standard deviation is 10. The shape of the
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The mean of a population is 54 and the standard deviation is 10. The shape of the population is unknown. Determine the probability of each of the following occurring for this population.
(a) A random sample of 38 yielding a sample mean of 56 or less
(b) A random sample of 120 yielding a sample mean between 52.6 and 55.4
(c) A random sample of 180 yielding a sample mean greater than 52
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a 54 n 38 10 p x 56 Px 5...View the full answer
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Related Book For 
Business Analytics And Statistics
ISBN: 9780730363330
1st Edition
Authors: Ken Black, John Asafu Adjaye, Paul Burke, Nelson Perera, Carl Sherwood, Saleh A. Wasimi
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