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Let X1, X2, X3 be r.v.'s with p.d.f. f given by f(x1, x2, x3) = 8x1x2x3 IA(x1, x2, x3), where A = (0, 1) ´ (0, 1) ´ (0, 1).
i) Show that these r.v.'s are independent;
ii) Calculate the probability P(X1 <>X2 X3).
how large a sample should be surveyed to estimate the true proportion of college students who do laundry once a week
Explain the difference of your outlook on statistics after having studied it for whatever period of time you have done so as oppose to the time before taking up the study.
In a separate drawing, you must also select the correct single number. Find the probability of winning the jackpot.
The standard deviation of the population is 0.6 ounces. Which of the following is the 95% confidence interval for the mean weight per white mice?
the growth of children from early childhood through adolescence generally follows a linear pattern. data on the heights
At 95% level of confidence, can we conclude that the babies using the Gibbs product gained less weight?
If the employees in this outlet has a mean of age as with variance between their ages as. Find the mean and the standard deviation of the age of employees of a fast-food in another outlet (Y).
Construct a 90% confidence interval for the standard deviation of the number of hours this firm's employees spend on work-related activities in a typical week.
A clinical study was performed to determine if a product was effective in alleviating side effects caused by a mode of treatment. In the treated group (100 subjects) it was found that 10% had side effect A, 15% had side effect B and 65% had side eff..
a random sample of records of electricity usage of homes gives the amount of electricity used in july and size in
The mean number of hours of flying time for pilots at Continental Airlines is 49 hours per month (The Wall Street Journal, February 25, 2003).
Determine the coefficient of determination for this regression problem and comment on its capability to predict outcome.
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