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1. Suppose that X has a Poisson distibution with parameter "lambda" = 3Find P(X>0)
2. Suppose you toss ten coins and count the number of heads. What is the probability that the number of heads you count will lie within two standard deviations of the mean?
3. Consider a sequence of 600 Bernoulli trials with a success probabiity of p=0.99. What is P(350 < X < 360)?
Markets can be segmented by the following variables: geographic, demographic, social, or behavior. If you were to select a segmentation variable suited best for the motorcycle market, which variable would you select?
Determine the value of the finite population correction factor if population size is 1000 and the sample size is 300? What is the smallest sample size for which finite population correction factor must be Used?
At the .10 significance level you will test to determine if there has been an increase in selling time. Assuming we are using a t test what will be the critical value"?
In studying the performance of the comapany's stock investments over the past year, the research manager of a mutual fund company finds that only 43% of the stocks returned more than the rate that had been expected at the beginning of the year.
Probability using discrete distribution.The probability distribution for the random variable x follows.
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. State the decision rule.
Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample approximately half the size.
Compute the mean, median, and mode. Which of these measures of central tendency do you think most accurately describes the lifestyle variable you are looking at?
In teaching the role of statistical application in Health Science, the importance of reliable and valid data is very critical in research process.
City government has collected the following data on annual sales tax collections and new car registrations: Determine the least squares regression equation.
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.
Chicken Delight claims that 84 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 55 were delivered within the promised time.
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