A survey of 503 women shoppers found that46% of them shop on impulse. What is the99%confidence interval forthetrueproportion of women shoppers who shop on impulse?2 0.5196

Given : Sample Size, n = 503 confidence level,c=0.99

Answered: A survey of 503 women shoppers found…

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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A survey asked, "How many tattoos do you currently have on your body?" Of the 1203 males surveyed, 184 responded that they had at least one tattoo. Of the 1067 females surveyed, 133 responded that they had at least one tattoo. Construct a 99% confidence interval to judge whether the prope one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. Let p, represent the proportion of males with tattoos and p, represent the proportion of females with tattoos. Find the 99% confidence interval for p, - P2- The lower bound is The upper bound is (Round to three decimal places as needed.)
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Interpret a confidence interval: A survey organization drew a simple random sample of 625 households from a city of 100,000 households. The sample mean of people in the 625 households was 2.30, and a 95% confidence interval for the mean number of people in the 100,000 households was 2.16< sum of mean< 2.44. True or false explain. The probability is 0.95 that the mean number of people in 100,000 households is between 2.16 and 2.44.
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In a survey of 1076 adults, a poll asked, "Are you worried or not worried about having enough money for retirement?" Of the 1076 surveyed, 551 stated that they were worried about having enough money for refirement. Construcd a 99% confidence interval for the proportion of adults who are worried about having enough money for retirement. A 99% confidence interval for the proportion of adults who are worried about having enough money for retirement is ( (Use ascending order. Round to four decimal places as needed) Question Help Enter your answer in each of the answer boxes. P Type here to search 4 00 ENG 414/2021 DELL F12 VYZ Priscr Delehes Seers F10 FO F7 F2 FS Esc F1 Fa SAL 40 BackspuMA %23 5S 13 T R Tab 10 Enter K D F S A S Caps Lock Shift Ctri Alt Alt Fr Ctri
A random sample of married people were asked "Would you remarry your spouse if you were given the opportunity for a second time?" Of the 150 people surveyed, 78% of them said that they would do so. Find a 90% confidence interval for the proportion of married people who would remarry their spouse. O (71.496, 84.6%) ( 70.6% * 0.86 * 0.4 \%) O ( 75.496 * 0.81 * 0.6 \%) (72.4%, 83.6%)
Express the confidence interval (84.4 %, 95.2 % ) in the form of p ME.
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A survey of 503 women shoppers found that 46% of them shop on impulse. What is the 99% confidence interval for the true proportion of women shoppers who shop on impulse? 2 0.5196