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The ETS Verbal Aptitude Test is designed so that the scores of high school seniors taking the test will have a normal distribution with average 500 and SD 100. A college wants their students to be in the top 12.5% for verbal aptitude. What minimum qualifying score should they set?
Clark Heter is an industrial engineer at Lyons Products. He would like to determine whether there are more units produced on the afternoon shift than on the day shift.
Your company manufactures low calorie frozen dinners. The advertised calorie content is 200 calories. A consumer activist group, FACT: fat and calories tribunal, is claiming that your product is not consistent.
Determine the following probabilities: Events A and B are mutually exclusive events defined on common sample space.
Given a p-cap of 0.16, n = 100, construct a Confidence Interval of 95%. What does the Range created mean? What happends if n changes to 10? What does the new Range mean?
Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1%.
What percentage of population scored between the mean and Jorge?
The mean of a normal distribution probability is 400 pounds. The standard deviation is 10. What is the area between 415 pounds and the mean of 400 pounds? (Round to 4 decimals)
Based on this data can the college conclude that the students in the new program performed better than the rest of the class> A one-tailed test is used equalling .05
Describe the difference between sample and a sampling distribution. Your reply must be in complete sentences and you may use sketches to help you.
A U.S. Department of Justice report included the claim that "in spouse murder cases, wife defendants were less likely to be convicted than husband defendants
The person's body fat percentage, and ‘y' is the person's lean mass percentage. Predict the lean mass for a person who is 27 years old and has a body fat percentage of 4.5%.
The number of shark attacks per year in the US is distributed approximately normal, with a Variance of 31.8 and a standard deviation of 10.
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