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1. A national study found that 44% of college students engage in binge drinking (5 drinks at a sitting for men, 4 for women). A professor surveyed a random sample of 244 students at his college.
What is the probability that less than 96 of them admitted to binge drinking in the past week?
2. Suppose the weights of college textbooks are normally distributed with a population mean of 4 pounds and a population standard deviation of 1.2 pounds. Suppose randomly sample and weigh 16 textbooks. Answer the following questions:
What is the probability that a given (i.e. one) textbook weighs more than 5.5 pounds?
Imagine the distribution of all possible samples averages of textbook weights (with n=16). What is the weight that separates the lightest 25% of sample averages from the heaviest 75% of sample averages?
question within the first six months of the new advertising campaign mccain was able to double its sales goal of a 15
there are two tennis courts.pairs of players arrive atrate3perhour and play for an exponentially distributed amount of
Suppose n = 4 dog owners are randomly selected. Find the expected number of persons, in the sample, who buy their dog holiday presents.
Draw the graph relating Number of Faults to Line length and does the data indicate that the number of faults per mile has changed from year 2000 to year 2001?
Find the expected value or average profit per customer and determine how much profit they should expect if 10 people purchase one of their European vacation packages.
i. how many strings of ten digits length can be formed using only the digits 12345? digits may be used more than once
Suppose a candidate running for sheriff claims that she will reduce the average speed of emergency response to less than 30 minutes.
Describe a scenario related to the final project in which you would use repeated-measures ANOVA. Describe a scenario related to the final project in which you would use MANOVA.
in six test runs a truck operated 8 10 15 7 9 and 11miles with one gallon of gasoline. at the 95 level of confidence is
the downtown parking authority of tampa florida reported the following information for a sample of 241 customers on the
For a sample of students in the college of business administration at mid-atlantic university, the mean grade point average is 3.10 with a standard deviation of 0.25.
The U.S. Bureau of Labor Statistics released hourly wage figures for western countries in 2000 in the manufacturing sector. The hourly wage was $24.01 in Germany, $22.00 in Japan, and $19.86 in the United States.
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