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Question: Estimating BMI The body mass index (BMI) of all American young women is believed to follow a Normal distribution with a standard deviation of about 7.5. How large a sample would be needed to estimate the mean BMI m in this population to within ±1 with 99% confidence? Show your work.
The company sells lawnmowers for $895 each. The variable cost per lawnmower is $520. The company's monthly fixed costs are $84,500.
derive the formulas for the lower and upper conf bound given in the lecture notes starting from the given self-evident
For the mold described in (g), can you find the probability that it's COST value will exceed $150,000? If yes, obtain this probability. If no, why not?
Two six-sided dice are thrown sequentially, and the face values that come up are recorded. List the sample space.
Manufacturing and Product Development Blenko Specs has two different processes for the manufacture of optical lenses supplied to the military.
Write an interpretation of your analysis of the data from the state-dependent memory experiment (Problems I and II).
1 from a high school with 40 freshman 38 sophmore 35 juniors and 30 seniors a random sample of 8 students is taken
You have been asked to develop a study of the effects of watching Sesame Street on childrens' gender role orientations, intelligence, or sociability.
Assume X is an exponential random variable with parameter lambda. Find the method of moments estimator for lambda.
What percentage of values would you expect to be out of bounds when the process is in control? Accordingly, how would you define "too many"?
Find the daily stock price of Wal-Mart for the last three months. (A good source for the data is http://moneycentral.msn.com.)
Discuss the role of sensitivity analysis in LP. Under what circumstances is it needed, and under what conditions do you think it is necessary?
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