After 10 years, the balance on a 10-year certificate of depo…
After 10 years, the balance on a 10-year certificate of deposit is $2,345. The original deposit was $1,100. What interest rate, compounded annually, did the bank pay? Express your answer as a percentage to 3 significant decimal places; i.e., X.xxx or XX.xxx. Do not enter the percentage sign (%).
Read DetailsYou are taking a $4,000 loan. You will pay it back in four e…
You are taking a $4,000 loan. You will pay it back in four equal amounts, paid every 6 months starting 5 years from now (i.e., the first payment takes place at the end of year 5 after the loan was originated). Interest will be compounded semiannually at a nominal annual interest rate of 12%. Calculate the amount of each semiannual payment.
Read DetailsDr. Grayson, a health psychologist, conducts a study examini…
Dr. Grayson, a health psychologist, conducts a study examining whether people eat more when they are exposed to pictures of food than when they are not exposed to pictures of food. She goes to a fast-food restaurant in downtown Chicago that has pictures of menu items on its menu board and measures the amount of food ordered during the lunch rush (11:30 a.m.–1:30 p.m.) on Tuesday. On Thursday, she does the same thing but at a fast-food restaurant that does not have pictures on its menu board (about two blocks away from the first restaurant). She finds that the restaurant with pictures of food sells more food than the restaurant that does not have pictures. Dr. Grayson would most be able to generalize her findings to which of the following populations?
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