Statistics Homework Answers & Questions Page 2
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The EPA requires that drinking water not exceed 15 parts per billion. A scientist collects water samples from 24 randomly sampled households. The...
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A random survey asked a sample of voters in a certain State about their support of a certain bill being considered in the State Legislature. 25% of...
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You want to conduct a study on twenty married couples to see if there is a difference in the time spent using social media per week between husbands...
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An experiment consists of drawing 2 chips simultaneously (i., without replacement) from a box containing 3 red chips, 2 blue chips and 4 yellow chips....
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We need to find the confidence interval for the SLEEP variable. The count is 35 and the mean is 7.2. ( I came up with a std deviation of
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64% of men consider themselves professional baseball fans. You randomly select 10 men and ask each if he considers himself a professional baseball...
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https://docs.google.com/document/d/1GB7U72fICIGnCl0YazdHUZnMAxcAFNo5LX0Hc606IuI/edit?usp=sharing
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"You are doing a study examining the effects of studying method on academic achievement. All the students in your study take a course on genetics...
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Use the SPSS datafile, WorldBankDatabase 2014. sav , to complete the following problem.
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The probability that a family owns a house is .65 and that a family owns a camcorder is .
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Associates report that calls from customers over the age of 40 make up the bulk of the longer calls and that 35% of customers fall in the over 40 age...
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A large percentage of people in the United States suffer from high levels of cholesterol. For the patient with high cholesterol levels, physicians...
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Use the normal distribution of SAT critical reading scores for which the mean is 514 and the standard deviation is 115 Assume the variable x is...
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Suppose that the number of accidents occurring in an industrial plant is described by a Poisson distribution with an average of one accident per...
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Grokers grocery store has soup sales averaging 2,000 cans per week, with a standard deviation of 300 cans. The cost of a stockout is four times...
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Cab Company Scheduling let Di = # of drivers who start their 8 hour shift in period I (I = 1,2,3,4,5,6) period 1 12:00 AM4:00am period 4 12 noon ...
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A person placed on an extension of 25 lights that are placed in a series circuit, the extension stops functioning when one or more of the 25 lights...
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Blue Crabs A researcher claims that the stomachs of blue crabs from Location A contain more fish than the stomachs of blue crabs from Location B.
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13. For the standard normal distribution =____________
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On the basis of previous research and sound theoretical considerations, a cognitive psychologist believes that memory for pictures is superior to...
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