Mathematics, 14.07.2019 07:30 laceytoyne72
Arandom sample of size 100 is taken from a population with the mean as 76 and the variance as 256. what is probability of getting sample mean: a. between 74.4 and 78.4, b. less than 74.4, and c. greater than 78.4.
Answers: 1
and population standard deviation is 
.
and standard deviation of the sample mean is 
.
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Arandom sample of size 100 is taken from a population with the mean as 76 and the variance as 256. w...
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