Acompany is interested on average wages of employee and variance. a sample of 20 workers is taken and it is found that mean wage was $9.5 and sample standard deviation was. $1.30. construct a 95% confidence interval for the population variance. (pls show work if possible) a. (1.79, 3.119) b. (0.977, 3.605) c. (0.752, 2.773) d. (0.79, 2.919) e. (1.029, 3.795)

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step