fishesforever2321
26.06.2019 •
Mathematics
The electric cooperative needs to know the mean household usage of electricity by its non-commercial customers in kwh per day. assume that the population standard deviation is 2.5 kwh. the mean electricity usage per family was found to be 16.5 kwh per day for a sample of 3861 families. construct the 98% confidence interval for the mean usage of electricity. round your answers to one decimal place.
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Ответ:
so do the top row then go back to the top and count over 5 cut down 4 and you have the right side
Step-by-step explanation:
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