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Maths Statistics Four Problems




Question;1. In a 3M privacy filters poll, 806 adults were asked to identify their favorite seats when they fly, and 492 of them chose a window seat. Use a 0.01 significance level to test the claim that the majority of adults prefer window seats when they fly.2. Assume a significance level of a=0.05. Claim: women have heights with a standard deviation equal to 5.00 cm. The hypothesis test results in a p-value of 0.0055.3. Identify a: if the test is 2 tailed, left or right tailed. B. What is the test statistic. C. What is the P-value. D. What is the null hypothesis and what do you conclude. E. What is the final conclusion4. Listed below are the ages of randomly selected race car drivers. Use a 0.05 significance level to test the claim that the mean age of all race car drivers is greater than 30 years.32, 32, 33, 33, 41, 29, 38, 32, 33, 23, 27, 45, 52, 29, 25


Paper#62235 | Written in 18-Jul-2015

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