Ken likes to build domino trains. he uses boxes of double-six dominoes which contain 28 dominoes. if he built a train with over 500 dominoes, what would be the fewest number of boxes he needed? what operation is needed? what numbers are to be used?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?