You have just take out a 30-year, $120,000 mortgage on your new home. This mortgage is to be repaid in 360 equal end-of-month installments. If each of the monthly installments is $1,500, what is the effective annual interest rate on this mortgage?

Eavesdropping can be thwarted by encrypting ________

A) signaling traffic B) transport traffic C) Both A and B D) Neither A nor B

An advertising company wishes to estimate the mean household income for all single working professionals who own a foreign automobile

If the advertising company wants a 90% confidence interval estimate with a margin of error of ±$2,500, what sample size is needed if the population standard deviation is known to be $27,500?A) 156 B) 328 C) 251 D) 415