The employees of Electronics Inc. would like to have a dental plan as part of their benefits package. The question is: How much does a typical employee and his or her family spend per year on dental expenses? A sample of 44 employees reveals the mean amount spent last year was $2000, with a standard deviation of $580.

a.Construct a 90% confidence interval for the population mean.(Round the final answers to the nearest whole dollar.)

Population mean $$

b.The information from part (a) was given to the president of Electronics Inc. He indicated he could afford $1760 of dental expenses per employee. Is it possible that the population mean could be $1760?

(Click to select)

No.

Yes.The population mean (Click to select)could not be/ could be $1760 because it is (Click to select)not in the/ in theinterval constructed above.