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Let X1,..., Xn be a random sample of size n from the geometric distribution for which p is the probability of success.
(a) Use the method of moments to ?nd a point estimator for p.
(b) Use the following data (simulated from geometric distribution) to ?nd the moment estimator for p:
2 5 7 43 18 19 16 11 22
4 34 19 21 23 6 21 7 12
How will you use this information? [The pdf of a geometric distribution is f(x) = p(1 - p)x-1, for x = 1, 2,... . Also μ = 1/p.]
Assume that 60 percent of the voters in a particular region support a candidate. Find the probability that a sample of 1,000 voters will yield a sample proportion in favor of the candidate within 4 percentage points of the actual proportion.
Based on this information, by what factor does the risk of having an accident increase due to driving while intoxicated?
A study in pediatric emergency care compared the injury severity between younger and older children.
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a two-sample t test is going to be carried out where it is assumed that the population variances are unknown but
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