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There is a large population of eligible voters in York County, South Carolina. A random sample of 500 York Count voters revealed 350 plan to vote to return Louella Miller to the state senate.
a. Determine the margin of error at 96 percent confidence.
b. Determine the confidence interval at 96 percent confidence.
Create the 90% confidence interval for mean score of all such subjects. You may suppose scores are usually distributed.
a 90 confidence interval for a proportion is 0.265 0.385. what is the probability that the population proportion is
Hemoglobin (g percent) values were recorded for a sample of 20 children who were part of a study of acute leukemia.
Determine the least-squares regression line and interpret its slope. Estimate the net income if the operating revenue figure is $2500 million.
A GSS asked. "What do you think is the ideal number of children for a family to have? the 497 female who responded had a median of 2, mean of 3.02 and standard deviation of 1.81 (a) Report the point estimate of the population mean.
Two coins are tossed and five dice are rolled. What is the probability that two heads and at least one 4 come up?
Recall Kim's party decision. What is the minimum "accuracy" that a rain detector would need for Kim to be willing to pay $10 for its use in helping her make.
a student club has 40 members including stacy and tom.a in how many ways can the club elect different individuals to
A grab bag contains 10 $1 prizes, 7 $5 prizes, and 3 $20 prizes. three are chosen at random. find the probability that exactly two $20 prizes are chosen?
A random sample of 166 firms in the Fortune top 1,000 was chosen, and 59 of the firms replied that they used the multiple-scenario approach. Conduct the hypothesis test at α = 0.05. What is the p-value?
the mean amount of gasoline and services charged by key refining company credit customers is 74 per month. the
Formulate the hypotheses that can be used to test the validity of the brokerage firm executive's claim.
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