Suppose you decide to take a trip in your car today. you start out and drive 32 miles in 20 minutes (0.33 hours). then you stop and park your car for another 20 minutes (0.33 hours) to take a break. finally, you drive 50 miles in 60 minutes (1 hour). what is your average speed for the entire trip including when you were parked?

Answer question above and explain each step : )

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.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?