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Let X be a random variable with density functionf(x) = 2 exp(2x) x > 00 otherwise.(a) Compute P (0.5 < X < 1)(b) Compute F (x) for all x > 0(c) Find b such that P (X < b) = 0.90
Consider the following situation describing layoffs at a manufacturing plant of the Monsanto Company. Does there appear to be a case of age discrimination between those laid off and those non-laid off?
Suppose that by the end of 2009, that percentage was 85%. If a sample of 10 U.S. adults is selected, what is the probability
For a candidate who guesses at all answers, find the mean and variance for the random variable X, the number of correct answers.
Customers are independent, identical, exponential distrubution of service time. What is the probability that the person will be the last to leave the bank assuming that no other customers arrive?
Testing for Population mean - Can the difference in average educational level between the sample and the nation be explained by chance variation?
Calculate correlation coefficient for data below. Compute the equation for regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825
Use the binomial distribution formula to calculate the probability that:
Mathml equation = $32,000 and mathml equation = $3000. If 100 teachers are randomly selected, find the probability that their mean salary is greater than $32,500.
If a study had a result of F (2, 147)= 4.56, p = 0.003, how many groups were in the study, and what was the sample size?
The study does provide sufficient evidence to support the claim that less than 75% of college student spend less than $250 per semester on textbooks.
In your opinion, which one/s of these factors (independent variables) will have a negative correlation with bone density and which one/s will have a positive correlation?
Two impendent samples of signs 9 and 8 gave the sum of squares of deviation from their respective means as 160 and 91 can the samples be regarded as drawn from the normal population with equal variance
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