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1. Let Xi , i ?: 1, be independent random variables with pj = P{X = j}, j ?: 1. If pj = j/10, j = 1, 2, 3, 4, ?nd the expected time and the variance of the number of variables that need be observed until the pattern 1, 2, 3, 1, 2 occurs.
2. A coin that comes up heads with probability 0.6 is continually ?ipped. Find the expected number of ?ips until either the sequence thht or the sequence ttt occurs, and ?nd the probability that ttt occurs ?rst.
Bay Area University enrolls MBA students in three cohort programs: Weeknight, Saturday, and Distance. Dean Ed Epstein wants to know if there is a difference in the average of the students in the three programs.
for the following managerial dilemmas formulate a research problem and plan the findings of which will aid the decision
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
A health and safety committee is to be selected from all the people who work at a local factory. The committee is to consist of four members selected randomly from a list of ten names.
a 90 confidence interval estimate for a population mean was computed to be 49.3 67.9. determine the mean of the sample
the liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its
the college board reported the following mean scores for the three parts of the scholastic aptitude test sat the world
Analyze the above output to determine the multiple regression equation. Find and interpret the multiple index of determination (R-Sq). Perform the multiple regression t-tests on?ˆ1,?ˆ2 (use two tailed test with (a = .10). Interpret your results
assume the duration of human pregnancies can be described by a normal model with mean 266 days and standard deviation
If you choose 12 vehicles at random, what is the probability that more than half(that is, 7 or more) carry just one person?)create a probability distribution table and a cumulative distribution.
assume that 25 of all business students at a large university invest in the stock market. a random sample of 120
In an evaluation of the medical lab, the manager is interested in the efficiency of three technicians when they process four routine blood tests.
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