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A measure of stress was taken 500 male and 500 females students. The data were normally distributed with men having a mean of 80 and standard deviation of 10, and the women having a mean of 95 and standard deviation of 15. A high stress score indicates a high level of stress. What score would a woman have to achieve to be less stressed than the lowest 15 percent of males? What if I am using the Z-score table which is Area under the Normal Curve? Its a multiple-choice question.
At western university the historical mean of scholarship exam scores for freshman applications is 900. A historical population standard deviation = 180.
the following data lists the average monthly snowfall for january in 15 cities around the us20 13 15 28 16 25 2 1435 42
Public Health and Nutrition Cast iron is an extremely durable cookware material, good for searing and blackening foods.
Another random sample of 25 observations taken from the same population produced a sample mean of 86 and a standard deviation of 6.
Suppose a random sample of two of these times is selected with replacement.- Find the sampling distribution of the minimum time.- Find the sampling distribution of the total time.
Compare the unconditional probability of having the disease to the conditional probability of having the disease given the test says you have the disease.
a refrigerated delivery truck has a load of perishable goods worth 10000. if the refrigeration unit is not cold enough
find a closed form for the moment generating function of a discrete uniform random variable that is for the random
On the TV show Deal or No Deal, a contestant chooses from among 26 suitcases, each containing a dollar amount. These dollar amounts are: (a) Using only the table, determine the median prize amount.
a trucking firm delivers appliances for a large retail operation. the packages or crates have a mean weight of 298 lb.
Approximately what is the chance that no student gets exactly 100 heads?
A reasearcher wishes to determine whether people with high blood pressure can reduce their blood pressure by following a particular diet. Use the sample data below to test the claim that the treatment population mean is smaller than the control po..
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