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A computer network manager wants to test the reliability of some new fiber optic cables that the department just received. The department received 4 boxes, each containing 30 cables. The manager does not have the time to test each cable so she selects one cable at random from each of the 4 boxes. This sampling method is...Simple random, cluster, stratified or convenience?
Six samples of subgroup size 2 (n = 2) were collected. Determine the upper control limit (UCL) for an X-bar chart if the mean of the sample averages is 4.7 and mean of the sample ranges is 0.35
consider the experiment of rolling a pair of dice. suppose that we are interested in the sum of the face values showing
suppose an urn contains 7 red balls 7 green balls and 7 blue balls where the balls of each color are labeled with the
The data are number of trials to learn to go left at the first turn in a maze for each of their 20 rats. Answer each of the four questions and don't forget to include a verbal statement of your interpretation of the outcomes.
question 1suppose the value of investment properties is normally distributed witha mean of 550000 and a standard
How hot is the air in the top (crown) of a hot air balloon? Information from Ballooning: The Complete Guide to Riding the Winds, by Wirth and Young (Random House), claims that the air in the crown should be an average of 100°C for a balloon to be ..
compute the coefficient of determination. round your answer to four decimal places. a regression equation is obtained
Prepare an analysis of your survey. Determine if you have used the appropriate measures to research your business problem, and identify the level of measurement being used for each of your survey questions.
Use the Kolmogorov-Smirnov test with significance level 0.05 to decide whether the following lifetimes (in days) of a sample of cancer bearing mice.
The doesn't know any of the answers. Assuming that Richard guesses on all six questions, find the indicated probabilities. What is the probability that he will answer all questions correctly.
The mean number of nonconforming coil springs in a batch is 5. Assume that the number of nonconforming springs in a batch, denoted as X, is a binomial random variable. What are n and p?
a fan cost index is calculated for each of the professional sports to give an idea of what it costs a family to go to a
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