Solar energy is considered by many to be the energy of the future. A recent survey...
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 3-bedroom house using gas or electric energy had a mean of $98 and a standard deviation of $14. If the distribution is normal, what percentage of homes will have a monthly utility bill of more than $84?
Select one:
A. approximately 95%
B. approximately 16%
C. approximately 84%
D. approximately 32%
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Solar energy is considered by many to be the energy of the
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Distribution of the amount of monthly utility bill of a 3-bedroom house using gas or electric...
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following questions :
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