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CNN (the mortal enemy of Fox) does not believe this information. They believe that Fox used inappropriate means for determining that Nixon will win. They want a small margin of error before they report the winner. They want to know the minimum number of samples for confidence level of 90% and a margin of error of 1% or 0 .01. According to CNN, how many people should they have polled? Assume that to win you have a 50.1% of the vote.
Round the Critical z of error three decimal places before you calculate.
Enter your answer as a whole number.
indicate whether the data are a time series or a cross section.number of cars sold in a dealership each day in
What is the specificity of the non-invasive test - what is the prevalence of stroke in the given sample according to the angiogram result?
What is the probability that there is at least one parking place available for the 11:00 am class?
Quantum, Inc. declared a $2 per share dividend on October 1. The date of record is October 20th, the ex-dividend date is October 18th, and the payment date.
Suppose that 45 percent of the population favors a certain candidate in an upcoming election. If a random sample of size 200 is chosen, find the expected value and standard deviation of the number of members of the sample that favor the candidate..
Douglas Boats is considering the possibility of expanding the warehouse for the WM-4 motors. How much should Douglas Boats expand, and how much would it be worth for the company to make the expansion? Assume demand is constant throughout the year.
At a = 0.01, can it be concluded that the variance of the areas for counties in Indiana is less than the variance of the areas for counties in Iowa?
For a random sample of 18 investments in China, the average return was 6.1% and the standard deviation was 5.3%. Conduct a test for equality of population means using α = 0.01.
Conduct a hypothesis with a significance level of 0.05. What is the test statistic?
Suppose that an IQ test was given to a large group of persons, the scores are assumed to be from a normally distributed population, that mean = 100 and s (standard deviation) = 15.
In a group of seven adult friends, what is the probability that: a) no one has done a one-time fling?
A bank manager claims that the average loan to the bank's customers is $4800. The population standard deviation is $800. A sample of 25 customers had an average loan of $4235. At α = .10, does the evidence support the manager's claim
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