The Pew Internet and American Life Project reports that American adults send a mean of 20 text messages per day. A random sample of 60 American adults showed a mean of 22 text messages per day. Assume that the population standard deviation is 20 text messages. Test using the level of significance α =0.01 whether the population mean number of text messages per day is greater than 20

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.

step-by-step explanation: hi!

except if the answer is in the value of money, then, it will matter. it will have to be $0.40, but i can tell this is not a money question, so .4 should be the right one.

according to egenuity the answer is b

step-by-step explanation:

bank e offers you a chocolate bar for filling out an application for checking and credit at the same time.