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1. According to a front-page article in The Wall Street Journal, 30% of all students in American universities miss classes due to drinking.8 If 10 students are randomly chosen, what is the probability that at most 3 of them miss classes due to drinking?
2. According to an article in USA Today, 60% of 7- to 12-year-olds who use the Internet do their schoolwork on line.9 If 8 kids within this age group who use the Internet are randomly chosen, what is the probability that 2 of them do their schoolwork on line? What is the probability that no more than 5 of them do their schoolwork on line?
Compute the test statistic. Using = 0.05, perform the test using either the critical value approach or the p-value approach. What is your conclusion?
Determine the p-value; and at 93.7% confidence, test the above hypotheses.
What is the estimated standard error of the sample mean? Construct a 95 percent confidence interval for the population mean category fluency test score.
a player of a video gameis is confronted with a series of four opponents and an 80 probability of defeating each
Let X be a random variable with probability density distribution given by. Find the probability density function of Y=10X - 4.
Consider the situation where you have three game chips, each labeled with one of the numbers 5,6,& 7 in a hat:
Interpret the p-Value. What assumption do you need to make in (a) about the two populations in order to justify your use of the F test?
Your customers have been divided into 3 groups. The first group represents 15% of customers, and these customers spent an average of $29.76 last year.
What is the probability that all three of these individuals have Alzheimer's disease? What is the probability that at least one of the three people has Alzheimer's disease?
How would you calculate cost of goods sold? What items make up cost of goods sold?
a golf course architect has five linden trees three white birch trees and three bald cypress trees to plant in a row
what are the values of the 1 test statistic 2-3 critical values and the 4 smallest level of significance at which the
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