Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 281 with 129 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. C.I. =

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Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a
sample of size 281 with 129 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals
(not percents) accurate to three decimal places.
C.I. =
TIP
Enter
your answer using interval notation. Example: [2.1,5.6172)
Use U for union to combine intervals. Example: (-00,2] U [4,00)
Enter DNE for an empty set. Use oo to enter Infinity.
Transcribed Image Text:Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 281 with 129 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. C.I. = TIP Enter your answer using interval notation. Example: [2.1,5.6172) Use U for union to combine intervals. Example: (-00,2] U [4,00) Enter DNE for an empty set. Use oo to enter Infinity.
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