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Engineers want to design seats in commercial aircraft so that they are wide enought to fit 99% of all males. Men have hip breadths that are normally distributed with a mean of 14.4 in. and a standard deviation of 1.0 in. Find the hip breadth for men that is a the 99th percentile.
Confidence intervals for the population mean number of that color of M&Ms in a pack. You may assume that the M&M are approximately normally distributed. Which form of the formula did you use and why?
Enrollment for the last four semesters had been 120, 126, 110, and 130. Develop a forecast of enrollment next semester.
What is the 95% confidence interval estimate of the population mean examination score if a sample of 200 applications provided a sample mean ? (4%)
The score for people in general on this questionnaire is 75, with a standard deviation of 12. Using the five steps of hypothesis testing and the 5% significance level (alpha).
A survey covering 0 different suburbs in Dallas found the average price of gasoline to be $3.924 per gallon with a population standard deviation of $0.053. What critical value shoiuld be used to test the claim using a = 0.01?
A company auditor was interested in estimating the total number of travel vouchers that were incorrectly filed. In a SRS of size n =50 oft of the group of N = 250, were filed incorrectly.
Based on these results a confidence interval extending from 5.96 to 6.16 was calculated for the population mean. Find the confidence level of this interval.
If desired confidence level is 95 percent, suitable critical value is?
provide me a half page response to below discussion post.discussionto reiterate my workplace is a college where i work
When considering the comfort and safety of the passenger which result is more relevant . the result from (a) or the probability from part (B) ? Pls explain why
the forecast for the third quarter is 1000 units the seasonal index for the quarter is 1.10. what are the seasonally
A sample of 25 provided a sample mean x=14 and a sample standard deviation s = 4.32. What is the rejection rule using the critical value? What is the conclusion?
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