Mathematics, 30.03.2020 22:38 gracieorman4
The length of time needed to complete a certain test is normally distributed with mean 35 minutes and standard deviation 15 minutes. Find the probability that it will take less than 6 minutes to complete the test. a) 0.9867 b) 0.9734 c) 0.0133 d) 0.0266 e) 0.5000 f) None of the above
Answers: 1
Mathematics, 21.06.2019 18:00
Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?
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Mathematics, 21.06.2019 18:20
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?
Answers: 2
Mathematics, 21.06.2019 21:00
Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection
Answers: 1
The length of time needed to complete a certain test is normally distributed with mean 35 minutes an...
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