Test: POST UNIT 7 - TEST - Ch. 10 Submit Te This Question: 1 p 60f 13 (4 complet

Question

Test: POST UNIT 7 - TEST - Ch. 10 Submit Te This Question: 1 p 60f 13 (4 complete) This Test: 13 pts possi uueston Help The manufacturer of a certain engine treatment clams that if you add their product to your engine, it wilbe protected from excessive wear An intomercial claims that a woman drove 5 hours without of hanks to the engine reatment A magazine tested engines in which they added the treatment to the motor oll, ran the engines, drained the of, and then delermined the tme unti the engines seiced Compisete pars ia) and (bj be (a) Determine the null and alternative hypotheses that the magane w test

Explanation / Answer

Ho : = 5 v/s H1 > 5

b) Both Engine Took exactly 16 minutes

this implies both treatment take same time

Hence we conclude that informercial’s claim is not true.

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