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A shortlist of 10 people is drawn up from a large number of applicants for a certain job.
The shortlist consists of 7 men and 3 women. Because all the shortlisted applicants are considered to be equally qualified, the names of two of them are drawnn, one after the other at random, to be called for an interview.
Determine the probability that:
a) Both interviewees are women
b) Both interviewees are men
c) One interviewee is a man and the other a woman.
discrimination the u.s. supreme court considered a case involving the exam for firefighter lieutenant in the city of
At the .01 significance level, can we conclude that there is more variation in the selling prices of the oceanfront homes?
The rate of return for one year (reported in percent) for a sample of 12 mutual funds 4.634 4.15 4.76 4.70 4.65 4.52 4.70 5.06 4.42 4.51 4.24 4.52. Using .05 significance level,
For the following scores, find the: A. Mean. B Median. C. Sum of squared deviation. D. Variance. E. Standard deviation.
How many subjects must be tested to determine the effectiveness of the product?
A manufacturer uses a new production method to produce steel rods. A random sample of 17 steel rods resulted in lengths with a standard deviation of 21.1cm.
We assume that we have selected two independent random samples from populations having proportions p 1 and p 2 and that p-hat 1 = 800/1000 and p-hat 2 = 950/1000
1 describe the distribution of sample means2 the term error is used in two different ways in hypothesis testing a type
the following data lists the average monthly snowfall for january in 15 cities around the us20 13 15 28 16 25 2 1435 42
What is the probability that the mean price for a sample of 30 service stations is within $.03 of the population mean (to 4 decimals)?
Organize the above data as a less-than cumulative frequency distribution and draw to scale the less-than ogive for the above data.
tri-county utilities inc. supplies natural gas to customers in a three-county area. the company purchases natural gas
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