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Find conditional density function f(x|E) for the experiment of a number selected at random from the interval [0,1], given E, where E is the event that x > 4.
(a.) If 0 <= x < 1/4, f(x|E)
(b.) If 1/4 <= x < 1, f(x|E)
Please note on parts (a.) and (b.) that it is x greater than or equal to leftmost value to less than rightmost value.
Select an industry with which you are familiar. Predict how future technology will inform, support, and potentially hinder productivity, culture, and work satisfaction within an organization in the industry.
Sketch density curves that might explain distributions with fallowing shapes: symmetric, but with two peaks( i.e., two strong clusters of observations)
For each of the F statistics given above find the degrees of freedom and an approximate P-value. Summarize the results of these tests.
Interpret the results at α = .01. (c) Is normality assured? (d) Is the difference large enough to be important? (e) What else would medical researchers need to know before prescribing this drug widely?
The R.R. Bowker Company of New York collects information on the retail prices of collectible children's books and publishes its findings in Publisher's Weekly.
in a random sample of 400 residents of chattanooga 320 residents indicated that they voted for the democratic candidate
Find E(X). (Note that when a bet is won, the $1 that was bet is returned to the bettor in addition to the $1, $2, or $3 that is won, but the returned dollar does not count as part of the winnings.)
A pair of dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.)
If the alpha level is changed from a = .05 to a = .01, (a) What happens to the boundaries for the critical regions? (b) What happens to the probability of a type I error?
cola makers test new recipes for loss of sweetness during storage. trained tasters rate the sweetness before and after
financial managers inc buy and sells a large number of stocks routinely for various accounts that it manages. portfolio
You are the principal of a large urban high school and wish to do a parent survey to determine how parents feel about same-sex classes.
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