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 21:00
The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
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Mathematics, 21.06.2019 23:30
Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310
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Mathematics, 22.06.2019 00:00
Which choice names the hypotenuse of triangle xyz? a. segment yx b. segment yz c. segment ab d. segment zx
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The manufacturer of a certain engine treatment claims that if you add their product to your engine,...
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