Question 16What is the point estimate?90% confidence interval, p = .12, n-5001.110.12050.94

Answered: What is the point estimate? 90%…

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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What do you value most when shopping in a retail store? According to a survey, 26% of consumers value personalized experience most. Assuming that the survey had a sample size of n=10,000.Construct a 90% confidence interval estimate for the population proportion of consumers that value personalized experience most when shopping in a retail store.
Use the given confidence interval to find the margin of error and the sample proportion. (0.787,0.811) (Type an integer or a decimal.) p= (Type an integer or a decimal.) E=
Construct the confidence interval for the population mean u .c=.98, x=6.4, o=0.7, n = 40
K Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 90% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.8, 3.0, 4.2, 4.8, 2.8, 4.2, 3.4, 4.8, 4.7, 4.1, 4.5, 3.7, 3.1, 3.9, 4.0 this 2 W S View an example X H hand What is the confidence interval for the population mean μ? << (Round to two decimal places as needed.) #3 80 P3 E D C Get more help - $ 4 888 FA R F % 5 V T FS G MacBook Air B F6 Y H & 7 N с *** J 00* 8 FB I M 9 F9 H Clear all L F10 888 P command Check answer { L [ alt option (0) ? } 1 delete
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You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 103 76.3 61.6 94 87.3 109.6 45.8 Find the 99% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places.
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16
Use the given confidence interval to find the margin of error and the sample proportion. (0.760,0.786) E = (Type an integer or a decimal.) (Type an integer or a decimal.) p =
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Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error? Choose the correct answer below. A. 15 mm B. 52.5 mm O c. 7.5 mm O D. 1.96
q21- The z value for a 95% confidence interval estimate is: Select one: a. 2.12. b. 1.82. c. 2.00. d. 1.96.

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What is the point estimate? 90% confidence interval, p.12, n 50 01.11 O 12 03 094