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A football team has a probability of .75 of winning when playing any of the other four teams in its conference. If the games are independent, what is the probability the team wins all its conference games?
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60..
A research firm observes that men are twice as likely as women to watch the Super Bowl on television. Does this information represent descriptive statistics or inferential statistics? Why?
1 at what age do babies learn to crawl? does it take longer to learn in the winter when babies are often bundled in
The chi-square test for independence is a nonparametric test used with two nominal variables and what are the hypotheses when conducting the chi-square test for goodness-of-fit?
Determine how large a sample should be taken to be 90% confident that the sample mean is within 0.12 ounces of the true mean weight of our bakery's loaves.
Where does the p-value come from for the spatial scan statistic used in SaTScan? Explain how Monte Carlo simulation is used to derive a p-value for a cluster.
What is the probability of observing no successes among the ten treatments? What is the probability of observing 9 or more successes?
A confidence interval with a 95% confidence level for the proportion of voters who are in favor of the proposition in a referendum is (0.71, 0.77). How many persons were surveyed in this poll?
1. a medical researcher contends that lung capacity varies significantly between smokers and nonsmokers. the mean
Distributed with the following parameters: μ1 = 100, σ1 = 4, μ2 = 75, σ2 = 4, μ3 = 75, and σ3 = 2. What is the probability that an assembly chosen at random will have combined dimension in excess of 262?
let x1 x2 x3nbspbe a random sample of size n3 from the poisson distributions with respective meansnbspl1nbsp 4nbspl2
The rockets are playing Lakers tonight in basketball. The lakers average 90 points a game, with a SD of 10. What would the rockets need to score to be 80% sure of victory, 90% sure, 95% sure.
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