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A law student, who want to check a professor's claim that convicted embezzlers spend on average 12.3 months in jail, takes a random sample of 36 such cases from court files. Using his results, namely, a mean of 10.8 months and a standard deviation of 3.9 months, test the hypothesis u=12.3 versus the alternative hypothesis u≠12.3 at a level of significance of 5% and at a level of significance of 1%.
Find the probability that a women develops breast cancer given that she has a family history of breast cancer._____________
Probability based on normal distribution. Suppose among X has a normal distribution, and find the indicated probability.
Using a significance level of .01 to test this hypothesis, what is your decision rule?
A scatter plot and regression line can be used for all of the following EXCEPT
Random number generation based on discrete distribution and evaluate the average queue length, waiting time, and percentage utilization for each system.
What are the null and alternative hypothesis for this? What is a type II error in context of this test? Suppose that the researcher deceides not to reject the null hypothesis what sort of error might he be making?
There is no proof the new policy is more effective, but we cannot finish the policy has no effect on smog. Interpretation of P-value for the given context.
Determine the greatest acceleration with which the 1-Mg forklift can raise the 750kg crate withour causing the wheels at B to leave the ground. the centers of mass for the forklift and the crate are located ar G1 and G2 respectively.
What are the singleton subsets of X and Y? are the empty set and the sample space the singleton subsets?
Union Membership Nationwide 13.7% of employed wage and salary workers are union members (down from 20.1% in 1983). A random sample of 300 local wage and salary workers showed that 50 belonged to a union.
Determine marginal probability distributions of X and Y . Compute conditional probability P ( Y = 2 | X = 1)
Perform a study to compare the characteristics of patients discharged against medical advice from the institution
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