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

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