A recent survey was conducted 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 $104 and a standard
deviation of $10. If the distribution can be considered mound-shaped and symmetric, what
percentage of homes will have a monthly utility bill of more than $94?
A) approximately 34% B) approximately 16%
C) approximately 95% D) approximately 84%
D
You might also like to view...
The income statement information would help in which of the following tasks?
a. Evaluate the liquidity of a company. b. Evaluate the solvency of a company c. Estimate future cash flows d. Estimate future financial flexibility
Which of the following is an advantage of small businesses?
A) The owners experience insignificant levels of stress. B) The owners do not need to multitask. C) They have an extremely low failure rate. D) They provide freedom and flexibility to their owners. E) They are adequately equipped to cope with growth.