All of the following, except one, are reasons for selecting a sample instead of stuying the whole population. Which one? a) the cost of studying an entire population can be too high. b) the population can be destroyed in the process of studying it. c) the study of a population can be too time...

I have an 800’ well with a non pressurized tank and a 1 horse jet pump the tank is full to the top and the air control valve seams to be working there is no blockage in the 1/8” lines on the pressure switch or the air control valve. But the pump starts as soon as the water is turned on and runs a...

Bob scored 85 on a math exam and the mean was 77 and standard deviation was 6. Tricia scored 78 where the mean was 73 and standard deviation was 4. Shirley scored 92 on the English exam where the mean was 86 and the standard deviation was 5. Compare the scores and rank them from best to worst.

Mr Patel intends to start a dry cleaning business and wishes to borrow money for this purpos.He feels he will no be able to pay anything in the first three years but thereafter he is prepared to pay $4000.00 per year for five years.The bank agrees to advancxe him money at 18% interest per annum.How...

Is Pennfoster college accredit school?