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Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment. Find the probability that exactly 3 boys will be selected. Instructions:
minimum of 300 words NO PLAGIARISM and your solution must reflect your understanding of the question posed.
In addition to the computations you employed to arrive at your response, your answer must contain comments regarding the rationale for the approach you utilized.
Simply listing an answer is of no real value in promoting a discussion.
The average score for the sample is M = 76. For the general population of college students, writing scores form a normal distribution with a mean of µ = 70.
The city housing department wants to estimate the average rent for rent-controlled apartments. They need to determine the number of renters to include in the survey in order to estimate the average rent to within $50 using a 95% confidence interva..
Read the following document and identify the probable gender of the author, citing textual evidence for your conclusions.
In a slow year, Deutsche Burgers will produce 2 million hamburgers at a total cost of $3.5 million. In a good year, it can produce 4 million hamburgers at a total cost of 4.5 million.
The standard deviation of the distribution of means of change scores is 2.0 and the mean change score for the sample studied is an increase of 5.2. What is the t score?
a small business just leased a new computer and color laser printer for three years. the service contract for the
Because the correlation between smoking and marijuana use was .45, the researcher concluded that curette smoking leads to marijuana use. Do you agree with the researcher's conclusion? Explain your answer.
In the real world, given null hypothesis is false; but the collected data lead to the null hypothesis being accepted. That is, the data lead to a failure to reject null hypothesis.
a well-insulated rigid tank of volume 10 ft3 contains carbon dioxide initially at 30 psia and 60 degrees f. the tank is
Determine the probability that exactly 11 cars approach this toll booth in the minute from noon to 1 min past noon.
A sample of 15 items is placed on test with the eight failures occurring at the following times (in hours): 400, 430, 435, 460, 460, 490, 520, 530. Based on Handbook H-108, should the lot be accepted?
Four ball bearings were taken randomly from a production line and their diameters measured. The results were 1.0250, 1.0252, 1.0249 and 1.0249. Determine the average, sample variance and sample standard deviation.
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