If a sample proportion is 0.58, which of the following could be a 90% confidence interval for the population proportion?.....Select all that apply.A. Lower bound: 0.56; Upper bound: 0.62B. Lower bound: 0.42; Upper bound: 0.66O C. Lower bound: 0.55; Upper bound: 0.61D. Lower bound: 0.50; Upper bound: 0.66OE. Lower bound: 0.66; Upper bound: 0.82(1)

Given : sample proportion , p̂ = 0.58

Answered: If a sample proportion is 0.58, which…

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 99% confidence interval for the population mean, based on the following sample data: 16.3, 15,9, 15.4, 16.7, and 16.9. Assume sampling from a normal population. Somple meen 1 16.3+ 15. 13+ 15.4 +16.7+16. = 0.49 2 5 16.04 5 Standard deviation. (16.3 - 16.04)² = 0.0672 (15.9-16.04)² 8 0186 ? 31-672 0.4356 (15.4-16.041 20.4086 2 (16.7-16-04)² = 116.8-16.0412 = 0.7396 82 1.1677 20.646
A simple random sample of 1000 people age 18 or over is taken in a large town. It turns out that 223 people in the sample are newspaper readers. Calculate a 90%-confidence interval for the percentage of people (age 18 and over) in that town who read newspapers. Choose the closest answer. a. (19.7%, 24.9%) b. (21.5%, 23.0%) c. (21.0%, 23.5%) d. (20.1%, 24.5%)
10 squirrels were found to have an average weight of 610 grams with a sample standard deviation of 7.75 . Find the 95 % confidence interval of the true mean weight (assume the t-student distribution). A.)(608.25, 614.16) B.)(561.02, 614.16) C.) (604.46,615.54) D.) (513.79, 612.77)
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You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 28.9 14.3 34.2 35.2 42.7 41.3 39.7 44.2 26.8 36.2 20.4 34.6 Find the 99% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places. Assume the data is from a normally distributed population.
You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 29.4 50.7 45.5 30.3 40.1 57.3 44.3 39.4 39.9 46.2 Find the 95% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places. Assume the data is from a normally distributed population.95% C.I. =
Which calculator function should be used to construct a confidence interval estimate for a population proportion? O a. TInterval O b. ZInterval O c. 1-PropZInt
Construct the confidence interval for the population mean u .c=.98, x=6.4, o=0.7, n = 40
Given below are the sodium contents in milligrams for seven brands of hot dogs rated as “very good” by Consumer Reports. Find a 99.9% confidence interval for the true mean amount of sodium for “very good” hotdogs. 400 470 350 365 270 550 530
In a survey the planning value for the population proportion is P* = 0.45. How large a sample should be selected to provide a 90% confidence interval with a margin of error of 0.06? Select one: a. 186 b. 268 c. 168 d. 286
create a 90% confidence interval for the following data: x = 25 n = 100

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