It is claimed that at least 40% of all shoppers at a shopping mall enter a particular department store. a random sample of 14 shoppers at the mall was selected. if the null hypothesis p = 0.40 is tested against the alternative that the null hypothesis will be rejected at ? = 0.01 if of the 14 shoppers enter the store.

a. at least 2
b. at most 10
c. at least 11
d. at most 1

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.