Mathematics, 05.05.2020 05:27 hjgdk6018
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 5 hours without oil, thanks 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. (a) Determine the null and alternative hypotheses that the magazine will test. Upper H 0: â–¼ sigma p mu â–¼ equals greater than not equals less than 5 Upper H 1: â–¼ p mu sigma â–¼ not equals equals greater than less than 5 (b) Both engines took exactly 16 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: 1
Mathematics, 21.06.2019 15:00
Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?
Answers: 1
Mathematics, 21.06.2019 18:00
Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).
Answers: 1
Mathematics, 21.06.2019 20:10
Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b
Answers: 3
The manufacturer of a certain engine treatment claims that if you add their product to your engine,...
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