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In a study of binge drinking among undergraduates at Ohio University, a researcher was interested in gender differences as related to binge drinking and to drinking-related arrests. She wanted to know two things: (a) Is there a significant relationship between gender and binge drinking (as defined by 5 or more drinks at one sitting), and (b) Is there a significant relationship between gender and drinking-related arrests? A random sample of males and females were asked about their experiences with binge drinking and with drinking-related arrests.
Use the numbers below for this question only!
Experience Alcohol-related Arrest?
YES NO
Male 253 293
Female 298 292
What would the expected value for the "female-yes" cell be?
The following two variables: x = the number of police patrol cars cruising in a given neighborhood, and y = the number of burglaries committed in the neighborhood?
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Find the probability that a randomly selected baseball has a weight greater than 5.14 ounces. Write a Solution Trail for this problem.
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A Firm has two photocopying machines. The old one is available for use 80% of the time and the new one is available for use 91% of the time. The machine availabilities are independent of each other.
Determine a 95% confidence interval for mean amount spent by all Internet shoppers.
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