An energy study in Gainesville, Florida, found that in March 2015, household use of electricity had a
Question:
An energy study in Gainesville, Florida, found that in March 2015, household use of electricity had a mean of 673 and a standard deviation of 556kWh (kilowatt-hours).
(a) If the distribution were normal, what percentage of the households had use above 1000 kWh?
(b) Do you think the distribution is truly normal?Why or why not?
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