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Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare the cost o solar
Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare the cost o solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount c the monthly utility bill of a 3-bedroom house using gas or electric energy had a mean of $95 and a standard deviation of $12. If the distribution can be considered bell shaped, what percentage of homes will have a monthly utility bill of more than $83? A. approximately 32% B. approximately 95% C. approximately 16% D. approximately 84%
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