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In Boston in 1968, Dr. Benjamin Spock, a famous pediatrician and activist against the Vietnamese was, was tried for conspiracy to violate the Selective Service Act (Military Draft). The judge who tried Dr. Spock had the following interesting record. Of the 700 people the judge had selected for jury duty in his previous trials, only 15% were women. Yet in the city as a whole, about 29%of the eligible jurors were women. Let p denote the probability that a juror drawn by the judge is a woman. Then to test the judge’s fairness in selecting women, what null hypothesis should be? What alternative hypothesis should be?
Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. What is the likelihood the sample mean is at least $25.00?
To evaluate average annual expenses of students on books and class materials sample size 36 is taken.
Determine the coefficient of correlation and the coefficient of determination. please show your calculations. Interpret the results.
A sample of 64 observations is selected from a normal population. The sample mean is 215, and the sample standard deviation is 15. Conduct the following test of hypothesis using the .03 significance level.
Develop upper and lower control limits (99.7%) for the proportion of students with complaints.
As a manager of an organization, what statistics would you use and why if you wanted to estimate your annual employee turnover? Be sure to specifically identify the statistical formulas and what additional data you would need to determine your est..
Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D
Find the range and the standard deviation of the times.
Estimate the true weight with an error of 0.03 grams with 99 percent confidence? How to construct a 95 percent confidence interval for the population proportion of positive drug tests. How to tell if the normality distribution?
You are given an annual time series with 40 consecutive values and asked to fit a fifth-order auto-regressive model.
Random from a large production had 8 defective discs. Determine a 98% confidence interval for the population proportion of the defective disc drives.
He argues that the regression effort says people who perform very poorly in their previous job tend to perform well in their next job. Is this what the regression effect says? Explain.
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