WHOEVER ANSWERS FIRST GETS BRAINLIEST PL HELP MEH Cami drank 7¼ liters of water Monday, 5½ liters of water on
Tuesday, 9¾ liters of water on Wednesday, and 6¼ of water on
Thursday. How much water did Cami drink during that four day span?

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.