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Problem: A machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks produced is well approximated by a normal distribution with mean 3 cm and standard deviation 0.1 cm. The specifications call for corks with diameters between 2.9 and 3.1 cm. A cork not meeting the specifications is considered defective. (A cork that is too small leaks and causes the wine to deteriorate; a cork that is too large doesn't fit in the bottle.) What proportion of corks produced by this machine are defective?
The possible samples of size two, taken with replacement from the population {0, 1}, are {0, 0},{0, 1},{1, 0},{1, 1}.
What is the probability that during 5 minutes interval no one will enter the store? b) what time interval is such that the probability is 0.5 that no one will enter the store during that interval?
Establish the objective function and the inequations of this system. Use x1; x2; x3 instead of P1; P2; P3. Create the system of equations and out of it a table for usage of the Simplex Method (just the table no evaluation!)
The fourth visitor sees price "B" etc. Is this method characterized as cluster sampling, haphazard sampling, systematic sampling, stratified sampling
Find out the least-squares regression line and interpret its slope.
a random dot stereogram is defined in wikipedia as a pair of images of random dots which when viewed with the aid of a
to find the sample size needed for a hypothesis test if ho mu10 ha mult10 sigma is unknown alpha 0.01 beta 0.05 and e
The daily food consumption for the sample averages 18.7 with SS=2475. Using a two-tailed test at the .05 level, can the researcher conclude that temperature has an effect on eating behavior?
According to the center for Disease Control, the mean total cholesterol for men between the ages of 20-29 is 180 milligrams per deciliter with a standard
Revise the following paragraph to eliminate negative language. We cannot issue a full refund at this time because you did not enclose
Let X and Y be two random variables with moment generating functions MX (t) and MY(t), respectively. If MX(t) for all values of t, then X and Y have the same probability distribution.
You've administered a standardized test of manual dexterity to two groups of 10 semi skilled workers. One of these two groups of workers will be employed by you to work in a warehouse with many fragile items.
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