1. Which is incorrect about sampling:

a. Sampling is the selection of a subset of items from within a statistical population.

b. Probability sampling involves random selection.

c. Convenience sampling is an easy way to get unbiased results quickly.

d. The population is the entire group that you want to draw conclusions about.

2. What is the formula to calculate the monthly payment if annual interest rate is 3% and loan amount is $5000 for 5 years:

a. =PMT(3%,5*12,5000/12)

b. =PMT(3%,5,5000)/12

c. =PMT(3%,5,5000)

d. =PMT(3%/12,5*12,5000)