Mathematics, 22.04.2020 02:35 nisha87
Assuming that the standard deviation of the weights of all members of FSU's Dept of Statistics is 19 lbs, how many members would we need to sample if we wanted to estimate the average weight of the entire dept, and we wanted to be 99% confident that our estimate was within 10 lbs? 05 23 04 24
Answers: 3
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
.
, so 
is the standard deviation of the population and n is the size of the sample.
. So
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Assuming that the standard deviation of the weights of all members of FSU's Dept of Statistics is 19...
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