Mathematics, 05.03.2020 21:48 1074885
A rental car company claims the mean time to rent a car on their website is 60 seconds with a standard deviation of 30 seconds. A random sample of 36 customers attempted to rent a car on the website. The mean time to rent was 75 seconds. Is this enough evidence to contradict the company's claim? Use a significance level of 0.01. Find the power of this test to detect a true mean of 70 seconds.
Answers: 2
Mathematics, 21.06.2019 15:30
What is this inequality notation? t is less then or equal to 2
Answers: 3
Mathematics, 21.06.2019 21:00
*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?
Answers: 1
Mathematics, 21.06.2019 23:40
You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?
Answers: 2
A rental car company claims the mean time to rent a car on their website is 60 seconds with a standa...
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