The mean of a population is 76 and the standard deviation is 14. The shape of the

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The mean of a population is 76 and the standard deviation is 14. The shape of the population is unknown. Determine the probability of each of the following occurring from this population.

a. A random sample of size 35 yielding a sample mean of 79 or more.

b. A random sample of size 140 yielding a sample mean of between 74 and 77

c. A random sample of size 219 yielding a sample mean of less than 76.5

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Business Statistics For Contemporary Decision Making

ISBN: 978-1118749647

8th edition

Authors: Black Ken

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Question Posted: Feb 19, 2015 08:50 AM

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The mean of a population is 76 and the standard deviation is 14. The shape of the

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76 s 14 a From table A5 area 3980 P 79 5000 3980 1020 b n 1...View the full answer

Business Statistics For Contemporary Decision Making

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