Kim wants to determine a 90 percent confidence interval for the true proportion of high school...
Kim wants to determine a 90 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.02? [Note that you don't have an estimate for p*!]
[Round to the smallest integer that works.] n =
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Kim wants to determine a 90 percent confidence interval for the
true proportion of high school...
Kim wants to determine a 80 percent confidence interval for the true proportion of high school...
Kim wants to determine a 80 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.02? [If no estimate is known for p, let p^p^ = 0.5]
Kim wants to determine a 80 percent confidence interval for the true proportion of high school...
Kim wants to determine a 80 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.03? [To find n, use the value p* = 1/2 for the sample proportion and the values for z* from a z-table or t-table.] [Round to the smallest integer that works.] n =
Cora wants to determine a 80 percent confidence interval for the true proportion of high school...
Cora wants to determine a 80 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.03? [To find n, use the value p* = 1/2 for the sample proportion and the values for z* from a z-table or t-table.] [Round to the smallest integer that works.] n =
WBWK5-Ch6: Problem 13 PrevUp Next (1 pt) Kim wants to determine a 90 percent confidence interval...
WBWK5-Ch6: Problem 13 PrevUp Next (1 pt) Kim wants to determine a 90 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.02? (To find n, use the value p = 12 as an estimate.) Round to the smallest integer that works.] n = Preview Answers Submit Answers You have attempted this problem...
Cora wants to determine a 95% confidence interval for the true proportion of high school students...
Cora wants to determine a 95% confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.03?
Ch8 Sec1: Problem 4 Previous Problem List Next 1 point) Cora wants to determine a 99...
Ch8 Sec1: Problem 4 Previous Problem List Next 1 point) Cora wants to determine a 99 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.037 [To find n, use the value p-1/2 for the sample proportion and the values for z" from a z-table or t-table.] Round to the smallest integer that...
a)A university planner wants to determine the proportion of spring semester students who will attend summer...
a)A university planner wants to determine the proportion of spring semester students who will attend summer school. Suppose the university would like a 0.90 probability that the sample proportion is within 0.195 or less of the population proportion.What is the smallest sample size to meet the required precision? (There is no estimation for the sample proportion.) (Enter an integer number.) b)A university planner wants to determine the proportion of spring semester students who will attend summer school. She surveys 31 current...
A researcher wants to estimate the proportion of students who have attended at least one football,...
A researcher wants to estimate the proportion of students who have attended at least one football, basketball or baseball games during their first semester on campus. She surveys 500 students and 350 reported that they have attended at least one game. a) What is the standard error of the sample proportion of students who have attended at least one game during their first semester? b) What is the margin of error for the proportion of students who have attended at...
A researcher wants to create a 90% confidence interval for the population proportion, with the margin...
A researcher wants to create a 90% confidence interval for the population proportion, with the margin of error of 3%. She has no idea what the population proportion is and she cannot take a trial sample. Calculate the required sample size.
A pollster wants to construct a 95% confidence interval for the proportion of children who watch...
A pollster wants to construct a 95% confidence interval for the proportion of children who watch Spongebob Squarepants. Estimate the sample size needed so that the confidence interval will have a margin of error of 0.061 ? Write only an integer as your answer.
WBWK5-Ch6: Problem 13 PrevUp Next (1 pt) Kim wants to determine a 90 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.02? (To find n, use the value p = 12 as an estimate.) Round to the smallest integer that works.] n = Preview Answers Submit Answers You have attempted this problem...
Ch8 Sec1: Problem 4 Previous Problem List Next 1 point) Cora wants to determine a 99 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.037 [To find n, use the value p-1/2 for the sample proportion and the values for z" from a z-table or t-table.] Round to the smallest integer that...
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