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A major issue facing many states is whether to legalize casino gambling. Suppose the governor of one state believes that more than 55% of the state's registered voters would favor some form of legal casino gambling. However, before backing a proposal to allow such gambling, the governor has instructed his aides to conduct a statistical test on the issue. To do this, the aides have hired a consulting firm to survey a simple random sample of 300 voters in the state. Of these 300 voters, 175 actually favored legalized gambling. State the appropriate null and alternative hypotheses.
What is/are the advantage(s) of conducting a study with three or more levels of independent variables?
Discuss the role of sensitivity analysis in LP. Under what circumstances is it needed, and under what conditions do you think it is necessary?
If a claim is randomly selected, what is the probability the person was under 25 or male?
If there are no other cars coming and there are n bays, k cars waiting ahead of you, what is the probability you will be the last person to finish washing your car?
Let A and B be two events such that P (A) = 0.6, P (B) = 0.4, P (AB) = 0.2. (a) What is the probability that neither of the two events occurs.
Suppose the people have weights that are normally distributed with a mean of 164lb and a standard deviation of 30lb. Find the probability?
Assume that you plan to use a significance level of ? = .05 to test the claim that p1 =p2. Use the given sample sizes and numbers of successes to find the pooled estimate p. Round to the nearest thousandth
Determines the sample mean outer diameter to be 1.002 inches with a standard deviation of 0.003 inch. Calculate the process capability index for this example.
What are common practices in writing literature reviews to avoid because they are forms of plagiarism? What should be done instead? How would you organize your literature before writing a lit review?
Construct the 95% confidence interval for the proportion of students with at least one injury.
If a randomly selected student has a score of 40, then how many standard deviations away from the mean is that student's score?
List the steps involved in hypothesis testing using: a) the traditional/classical method; b) the probability-value method. Provide an example of each.
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