Question 9Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval for asample of size 166 with 78 successes. Enter your answer as an open-interval (i.e., parentheses) usingdecimals (not percents) accurate to three decimal places.C.I. =< >Submit Question

Given Sample size=n=166 Number of successes=x=78 Confidence interval=99%

Answered: Assume that a sample is used to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Construct a confidence interval for the population proportion p. n ? 144, x ? 86, 90% confidence
Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of error of 3 percentage points and use a confidence level of 90%. Complete parts (a) and (b) below. a. Assume that p and q are unknown. n= (Round up to the nearest integer.)
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
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Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval for a sample of size 166 with 78 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. C.I. =