Antoine wants to get a subscription to a local library. There are two libraries, each of which charges a monthly subscription fee plus a fee for each book loaned.
The following equation gives the monthly cost (in dollars) of joining the first library as a function of the number of
books loaned
C = 10 +1.50
The/ monthly cost (in dollars) of the second library as a function of the number of books loaned is given by the following
table of values:
Books
Cost (dollars)
15.50
2
8
26
14
36.50
Which library charges more for each book loaned?

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.

In cents, what is the least total amount that cannot be obtained by using a combination of fewer than eight coins from a collection of pennies, nickels, dimes and quarters?