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Question: Suppose that a basketball player can score on a particular shot with probability .3. Use the central limit theorem to find the approximate distribution of S, the number of successes out of 25 independent shots. Find the approximate probabilities that S is less than or equal to 5, 7, 9, and 11 and compare these to the exact probabilities.
use hypothesis testing to test the independence of opinion between the two groupsprefer lecture prefer computer
in a recent survey of 800 quebec residents 28 thought that quebec should seperate from canada. in the same survey 82
Assuming that the prisoner will always select doors 1, 2, and 3 with probabilities 0.5, 0.3, 0.2, what is the expected number of days until he reaches freedom? Assuming that the prisoner is always equally likely to choose among those doors that he..
When someone buys a ticket for an airline flight, there is a 90% probability that a person will not show up for the flight. Air America books 15 people on a commuter flight that can only seat 13 passengers.
A medical practice has record for N=900 patients. A simple random sample of n=300 was selected, and 210 of the sample patients had private health insurance. Estimate the percentage of patients with private health insurance and the standard error of..
Conduct the following test at the alphaαequals=0.010 level of significance by determining (a) the null and alternativehypotheses,(b) the teststatistic, and(c) theP-value. Assume that the samples were obtained independently using simple random samp..
One advantage of the repeated measures ANOVA is that it eliminates "individual differences" as a source of variability. Explain why there are no individual differences in the numerator and in the denominator of the F ratio.
Test the claim that the mean weight loss is greater than 0. Based on these results does the diet appear to be effective. Does the diet appear to have practical significance.
A standard deviation of 4.0 days; and 12 employees were absent more than 10 days. Set up a 95% confidence interval estimate of the average number of days absent for the company's workers last year.
Fancorp (a consulting firm) claims that "less than half of franchises are owned by husband-wife team." A simple random sample of 37 franchise owners shows that 12 are owned by husband-wife team. Can you confirm Fancorp's claim at α = 0.05? (Use ..
The following table presents the total sample size and the percentage distribution of a grouped variable, "Hours of Shopping this Year." Calculate the mean and the variance
consider the formula used for any confidence interval and the elements included in that formula. what happens to the
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