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A Cornell University researcher measured the mouth volumes of 31 men and 30 women. She found a mean of 66 cc for men (SD = 17 cc) and a mean of 54 cc for women (SD = 14.5 cc). The man with the largest mouth had a mouth volume of 111.2 cc. The woman with the largest mouth had a mouth volume of 95.8 cc.
a) Which had the more extraordinarily large mouth?
b) If the distribution of mouth volumes is nearly Normal, what percentage of men and of women should have even larger mouths than these (higher than the highest listed above)?
Find the z score corresponding to a score of X = 60 for each of the following distributions:
Three companies are attempting to sell you a pollution reduction additive to your chemical waste. Given limited resources, which prevents you from developing the additive yourself, you get each company to give you a sample to the product.
Subcontracting can handle a maximum of 10 units per month. Beginning inventory is zero. Develop a plan that minimizes total cost. No back orders are allowed.
Suppose that you draw a random sample of 27 cans. Find the probability that the mean weight of the sample is less than 6.19 ounces.
A nutritionist heard on the radio an amazing new diet drink that if taken at bedtime you will lose weight as you're sleeping. To top it off you can eat anything you want because the diet fuel will burn it off.
The probability is 90% that the sample percentage will be contained within what symmetrical limits of the population percentage?
I survey 50 potential consumers regarding their interest in the product, 34 express an interest in purchasing it. The maximum price each would be willing to pay is shown below.
Explain the applications of statistics in your own field (Business Administration/Accounting) - Construct a stem and leaf display.
What is the degree of correlation between the dependent variable and the independent variable? Is the statistical significance of the model as a whole less than the desired statistical significance for the regression model? Explain the basis for yo..
Hanna Properties specializes in custom-home resales in the Equestrian Estates, an exclusive subdivision in Phoenix, Arizona. A random sample of nine custom homes currently listed for sale provided the following information on size and price.
State the null hypothesis and the alternate hypothesis. State the decision rule. Compute the value of the test statistic. What is your decision regarding the null hypothesis?
Let the following all-integer linear program: Solve LP problem and recognize the feasible region, corner point solutions, and optimal solution.
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