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A judge chooses a jury of n people out of a pool of N people. The choice is uniform among all subsets of n elements of the pool. Unhappy with an outcome, he dissolves this jury (returning the people into the pool) and chooses another jury of m people, independently of the first jury. What is the probability that the first jury and the second jury have k common people?
(i) Solve the problem in general form.
(ii) Find the decimal value for N = 1000, n = m = 2, k = 1.
Determine whether the given value is a statistic or parameter. in a study of all 1900 students at a college, it is found that 25% own a computer.
A sample of 65 observations is selected from one population with a population standard deviation of 0.75. The sample mean is 2.67.
Develop a multiple regression paper in which your dependent variable is explained by several independent variables. You can choose any topic you are interested in but keep it simple. If you cannot find data to support your variables, then it is..
below are the lifetimes in hours of fifty 40-watt 110-volt internally frosted incandescent lamps taken from forced
forty percent of the homes constructed in the quail creek area include a security system. quail creek is a very large
In a random sample of 15 Americans 18 years old or older, find the probability that exactly 10 have read at least six books within the past year, Interpret these results.
The radar traps at each of the locations L1 L2 L3 L4 are operated 40 30 20 and 30 of the time a person who is speeding on his way to Penn State has a probablities of 2 1 5 and 2 respectivley of passing through these locations what is the probablit..
Sampling Distribution for mean
Explain the difference between a logarithm of a product and the product of logarithms and give examples of each.
Is there evidence of a difference in the variability of the waiting time between the two branches? (Use 5% level of significance). Find the p-value in (a) and interpret its meaning.
If the gender-selection method has no effect and boys and girls are equally likely, find the mean number of boys born in groups of 152. Round to the nearest whole number.
Modify (change) your sample size to 18600. Construct a new 95% Confidence Interval.
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