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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76 s 14 a From table A5 area 3980 P 79 5000 3980 1020 b n 1...View the full answer
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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