Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the standard deviation is 1.6. what is the margin of error, assuming a 99% confidence level?

What is 23 to the third power

A couple has two boys and is expecting a third child. the probability that the third child will be a boy is ½.

Simplyfy 6 (15-3) + 4-6.4

Factor each polynomial y^2+9y+8

Find I. Choose the right answer. Amount Financed (m) = $2,500 Number of Payments per year (y) = 12 Number of Payments (n) = 36 Total Interest (c) = $158.15

5e+1=3e - (-5) what is the answer and show your work

A skateboard ramp is 17 inches high and rising an angle of 25° how long is the base of the ramp?

Bill buys a bowling ball during the sale. The sale was 75% off If the original price was $28, how much does Bill pay?

Two data sets and their mean absolute deviations are shown. Study the plots of each data set and then answer the questions below. Why does Set A have a higher mean absolute deviation than Set B does? Data Set A has a _, so it has a higher MAD.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. What is the probability that the applicant who gets the job plays drums or guitar?