Assume that the coin is weighted so that a tail is 6 times as likely as a head. The coin is flipped 9 times. 1) What is the probability that both heads and tails occur?
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A clinical psychologist is the primary therapist for 18 patients. She randomly selects a sample of 3 patients to be in her study. How many different samples of this size can be selected from this population of 18 patient ...
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If you know your raw score is 35, your z score is -3, and your t score is 20. The mean is 50 and the standard deviation is 5. How would you use this information to solve for a percentile rank?
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Suppose metal shafts produced have a standard deviation of 2.8 and a mean diameter of 210 inches. If 84 shafts are sampled at random, what is the probability that the mean diameter of the sample shafts would be less than ...
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A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.
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DePaul University makes student IDs of length 5 characters by picking 2 letters from D,E,P,A,U,L; no repetitions and the order is not important followed by picking 3 digits from 0,1,2,3,4,5,6,7,8,9; no repetitions and th ...
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How many years (and months) will it take $2 million to grow to $5.60 million with an annual interest rate of 7 percent?
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What is an important benchmark for any kind of business and for business how would you use break even in making business decisions?
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Cardinal Industries had the following operating results for 2018: Sales = $33,813; Cost of goods sold = $23,967; Depreciation expense = $5,947; Interest expense = $2,685; Dividends paid = $1,951. At the beginning of the ...
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Since this in an empirical question that means that 68% is in the middle and on the outer sides are the difference? The median life span of a mouse is 118 weeks Would you expect the life-span to be normally distributed? ...
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