A sample of 40 cows is drawn to estimate the mean weight of a large herd of catt

Mathematics
Tutor: None Selected Time limit: 1 Day

of cattle. If the

standard deviation of the sample is 96 kg, what is the maximum error in a 90%

confidence interval estimate?

a) 25 kg

b) 158 kg

c) 58 kg

d) 30 kg

e) 1.645 kg

Apr 23rd, 2015

a) 25 kg

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Apr 23rd, 2015

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