Select all the statistical questions. A. How many nickels does it take to make a dollar?
B. In what year was the first penny made in the United States?
C. Among all the pennies at a bank, what is the most frequent year the pennies were made?
D. Which coin (penny, nickel, dime, or quarter) is used most frequently in transactions at a bank?
E. On average, how many pennies do people receive in change when they make a purchase at a
store?

Don't know how to find x given these segment lengths

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?

Acollection of nickels and quarters is worth $2.85. there are 3 more nickels than quarters.how many nickels and quarters are there?