Mathematics, 23.07.2020 17:01 jchidwic
In order to estimate the average electric usage per month, a sample of 196 houses was selected, and their electric usage determined. a) Assume a population standard deviation of 350 kilowatt hours. Determine the standard error of the mean. b) With a 0.95 probability, determine the margin of error. c) If the sample mean is 2,000 KWH, what is the 95% confidence interval estimate of the population mean
Answers: 1
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Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?
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Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.
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In order to estimate the average electric usage per month, a sample of 196 houses was selected, and...
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