Find the variance for the given sample data, round your answer to one more decimal place than the original data 7 725 1 a. 11.8 b. 7.8 22 c. 6.2 d. 7.7

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).