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The serum cholesterol levels for men in one age group are normally distributed with a mean of 178.1 and a standard deviation of 40.7. All units ate in mg/100mL. Find the two levels that separate the top 9% and the bottom 9%.
A) 161.4 mg/100mL and 194.8 mg/100mL B) 123.6 mg/100mL and 232.6 mg/100mLC) 165.1 mg/100mL and 191.12 mg/100mL D) 107.3 mg/100mL and 248.9 mg/100mL
The waiting room for jury selection has 40 women and 30 men to choose from. A jury of 12 is selected from these 70 people, what is the probability that exactly 5 of the jury members will be women?
Transportation problem using the stepping stone method
Calculate the mean and the standard error of the sampling distribution of the sample means. Also, find the mean and standard error of the sampling distribution for samples of size 5.
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. State the null hypothesis and the alternate hypothesis.
I'm trying to determine what happens to the sample size if the level of confidence is reduced from 95% to 90% but the allowable error and the standard deviation remain
A new president at Big State University has made student satisfaction with the enrollment and registrations process one of her highest priorities.
Find a 95% confidence interval for the mean monthly rent for unfurnished one-bedroom apartments available for rent in this community.
The manager of the Gander Mountain store in Frogtown, IL, believes that his prices for ammunition are lower than the prices of his primary competitor in the hunting equipment market, Cabela's.
the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?
Develop a frequency distribution table with proportions. What is an experiment? Can you describe what a Group Frequency Distribution Table is and what it looks like?
If probability of demand for 50 units is .40, probability of demand of 100 units is .50, and probability of demand for 150 units is .10, what lot size would you recommend if the goal is to maximize expected profit?
Below are revenue and profit (both in $ billions) for nine large entertainment companies.
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