2.A confidence interval has estimate has a maximum error of 2.50. if the distribution of the data where the estimate is obtained is normal with a standard deviation of 9, How many samples are considered in 98% confidence interval estimate for the mean?

Explain how you can use the associative property to evaluate (7x50)x4.

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.