Mathematics, 18.02.2022 21:00 brendacauani12345
Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount of the monthly utility bill of a three-bedroom house using gas or electric energy had a mean of $117 and a standard deviation of $13. If the distribution can be considered normal: Approximately what percentage of homes will have a monthly utility bill between $91 and $143?
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Solar energy is considered by many to be the energy of the future. A recent survey was taken to comp...
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