What is the compound interest on $500 at an 8% annual rate compounded annually for two years?

a. $40.00
b. $80.00
c. $83.20
d. $84.32

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Complete the steps to find 4.830 ÷ 5