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Part 1) Let X be a discrete random variable. If Pr(X<8) = 1/7, and Pr(X>8) = 1/3, then what is Pr(X=8)?Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).
Part 2) Let X be a discrete random variable. If Pr(X<8) = 2/6, and Pr(X<=8) = 6/12, then what is Pr(X=8)?
Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).
Suppose you are sampling from a population with population variance s2= 1,000,000. You want the standard deviation of the sample mean to be at most 25.
You wish to choose two different numbers from 1,2,3,4,5 and don't care about the order of selection.
Serving in a bomber crew in World War II was dangerous. The British estimated that the probability of an aircraft loss due to enemy action was 1/20 for each mission.
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After 5 years, what is the survival percentage for patients with carcinoid undergoing DTIC treatment?
A population is normally distributed with a mean of -25 and a standard deviation of 4.
How does our Eurocentric understanding of global history relegate the vast majority of human history as peripheral?
a. Formulate a hypothesis to test the marketing manager's claim. b. Does the sample support manager's claim. Test at 0.05 level of significance.
The sample variance was s^2=16.0. does the sample show sufficient reason to conclude that the population standard deviation is not equal to 3 at the 0.05 level of significance? use the p-value method.
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