(1 point) Beth 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 0.02? [Round to the smallest integer that works.] n =
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576 for a 99% confidence level. p is the sample proportion, which is unknown in this case. n is the sample size. Show more…
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Sri K.
Beth wants to determine a 95 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 0.04? [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 =
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Beth 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 0.03? [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 =
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