Suppose the mean gpa of all students graduating from a particular university in 1975 was 2.30. the registrar plans to look at records of students graduating last year to see if the mean gpa has increased. define notation and state the null and alternative hypotheses for this investigation.

The following are budgeted data: january february march sales in units 16,200 22,400 19,200 production in units 19,200 20,200 18,700 one pound of material is required for each finished unit. the inventory of materials at the end of each month should equal 20% of the following month's production needs. purchases of raw materials for february would be budgeted to be:

After hearing a knock at your front door, you are surprised to see the prize patrol from a large, well-known magazine subscription company. it has arrived with the good news that you are the big winner, having won $21 million. you have three options.(a) receive $1.05 million per year for the next 20 years.(b) have $8.25 million today.(c) have $2.25 million today and receive $750,000 for each of the next 20 years.your financial adviser tells you that it is reasonable to expect to earn 13 percent on investments.

5. if you were to take a typical payday loan for $150, with an interest rate of 24.5% due in full after two weeks, what is the total amount you would have to repay? a. $186.75 b. $174.50 c. $157.33 d. $153.67