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Gambling. A city ballot includes a local initiative that would legalize gambling. The issue is hotly contested, and two groups decide to conduct polls to predict the outcome. The local newspaper finds that 53% of 1200 randomly se- lected voters plan to vote "yes," while a college Statistics class finds 54% of 450 randomly selected voters in support. Both groups will create 95% confidence intervals.
a) Without finding the confidence intervals, explain which one will have the larger margin of error.
b) Find both confidence intervals.
c) Which group concludes that the outcome is too close to call? Why?
the following sample was obtained from a population with unknown parameters.scores 6 12 0 3 4a. compute the sample mean
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Suppose that a culture of bacteria has initial population of n=100. If the population doubles every three days, determine the number of bacteria present after 30 days. How much time is required for the population to reach 4250 in number
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the manager of a department store wants to determine what proportion of people who enter the store use the stores
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A college would like to have an entering class of 1200 students. Because not all students who are offered admission accept, the college admits more than 1200 students.
the survival rate during a risky operation for patients with no other rate of survival is 76. what is the probability
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Given a p-cap of 0.16, n = 100, construct a Confidence Interval of 95%. What does the Range created mean? What happends if n changes to 10? What does the new Range mean?
What are the singleton subsets of X and Y? are the empty set and the sample space the singleton subsets?
Each year approximately 160 colleges compete in national concrete canoe competion. Each team should design a seaworthy canoe from a substance not known for its capacity to float. T
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