Sasha finished mowing lawns at 4: 15 pm. it took 1 3/4h to mow the first lawn. the second and third lawns she mowed each took 1 1/5 h. she took one 45-min break. when did sasha begin mowing the first lawn? a. 10.05 a. m. b. 11: 05 a. m. c. 11: 21 a. m. d. 12: 21 p. m.

In angle pqr find the measure of

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red