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The mean of adult men is 172 pounds with a standard deviation of 29 pounds. ask 20 men thier weight and use excel to calculate the mean. test the hypothesis that the mean is not 172 pounds at the .10 significance level.
For this same sample of n = 45, find out the width of confidence interval around population mean? Illustrate all work.
Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents.
What is the level of measurement for there is no significant difference between marital ages of men and women? and ther eis a significant difference between marital ages between men and women.
Determine the probability of fatal accident over lifetime? Describe your reasoning carefully. Suppose independent events. Why might the supposition of independence be violated?
Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates?
At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 1 centimeter and the standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the possibility that th..
Write down the differential equations which describe the probabilistic behavior of the unit in time as a Markov process.
How many drinks do we have to sample if we wish the length of the 95% confidence interval of the mean to be 0.1 ounce?
A company has just manufactured 1295 CDs, and 492 are defective. If 10 of the CD's are randomly selected for testing, what is the probability of the entire batch will be accepted
What percent of sales representatives earn more than $42,000 per year?
In a study shop, a set of data was collected to determine whether or not the proportion of defectives produced. Determine if the proportion of defectives is the same for all three shifts.
Suppose that during a basketball practice. Joe tries 3 shots from the free throw line; imagine further that he has a probability equal to 0.6 of making each shot and that the attempts are independent. Let 'X' be the number of baskets he makes in t..
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