Mathematics, 27.11.2019 21:31 avlenlestrade
The manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. an infomercial claims that a woman drove 4 hours without oil, to the engine treatment. a magazine tested engines in which they added the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. complete parts (a) and (b) below.
determine the null and alternative hypotheses that the magazine will test
upper h0: μσgreater than> less than upper h0: μσgreater than> less than (b) both engines took exactly 19 minutes to seize. what conclusion might the magazine make based on this evidence? a. the infomercial's claim is true. b.the infomercial's claim is not true
Answers: 2
Mathematics, 21.06.2019 20:30, bryce59
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
Answers: 2
Mathematics, 21.06.2019 23:20, puremousetail
6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?
Answers: 1
The manufacturer of a certain engine treatment claims that if you add their product to your engine,...
Mathematics, 04.09.2020 18:01
Mathematics, 04.09.2020 18:01
Mathematics, 04.09.2020 18:01