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A recent survey published in Business Week concludes that Gatorade commands an 83% share of the sports drink market versus 11% for Coca-Cola's PowerAde, 3% for Pepsi's All Sport, and 3% other. A market research firm wants to conduct a new taste test for which it needs Gatorade drinkers. Potential participants for the test are selected by random screening (sampling) of sports drink users to find Gatorade drinkers. What is the probability that:
a. The first randomly selected drinker qualifies?b. Three sports drink users will have to be interviewed to find the first Gatorade drinker?
Determine the probability distribution for X defined as number of defective items drawn (Hint: You have to determine P(X=0), P(X=1) and P(X=2).
If the coefficient of correlation is 0.4, the percentage of variation in the dependent variable explained by the variation in the independent variable
Does the variability in output appear to differ at the two experience levels? Test the hypotheses at the .05 significance level.
A research company has designed three different systems to clean up oil spills. The following table contains the results, measured by how much surface area (in square meters) is cleared in 1 hour. The data were found by testing each method in seve..
What quantitative method can be applied to help the Department make the decision? Outline how this method can be applied and explain how a qualitative method can also be applied to help the Department make the decision
Develop a model for determining how many people should be sent to contain the fire and for determining the best location for the firebreak.
Evaluate probabilities using the laws of probability, the standard normal distribution, t-distribution, or X2-distribution.
A campus organization will select one day of the week for an end of year picnic. Assume that the weekdays, Monday through Friday, are equally likely and that each weekend day
Given the following number of hours between breakdowns for 4 machines, are the machines significantly different? If so, how are they different? Which machine is the best?
The daily food consumption for the sample averages 18.7 with SS=2475. Using a two-tailed test at the .05 level, can the researcher conclude that temperature has an effect on eating behavior?
A committe studying employer-employee relations proposed that a rating system be adopted. Each employee would rate his or her inmediate supervisor and in turn the supervisor would rate each employee.
Of 146 adults selected randomly from one town, 31 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke.
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