DWhich of the following is NOT an equivalent expression for the confidence interval given by 161.7 <µ< 189.5?5Choose the correct answer below.WOA. 175.6-13.9<μ<175.6+13.9OB. 161.7±27.8OC. 175.6 ± 13.9OD. (161.7,189.5)F23F3E80D$4ƠsF4RF%5eKTG6MacBook AirF6Y&7H8F7U*8JDIIF8(9F9KOOTirF10L

The confidence interval for the population mean is equal to = 161.7<mu < 189.5

Answered: Which of the following is NOT an…

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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Which supermarket has the lowest prices in town? All claim to be cheapest, but an independent agency recently was asked to investigate this question. The agency randomly selected 100 items common to each of two supermarkets (labelled A and B for confidentiality) and recorded the prices charged by each supermarket. The summary results are provided below:xA = 2.09 xB = 1.99 d = .10sA = 0.22 sB = 0.19 sd = .03Suppose the 95% confidence interval turned out to be (-.12, .02). Which of the following interpretations is correct? Select one: A. We are 95% confident that μA equals μB. B. None of these interpretations is correct. C. We are 95% confident that μA is larger than μB. D. We are 95% confident that μB is larger than μA.
Which of the following would result in the narrower confidence interval? a. A sample size of 100 with 95% confidence b. A sample size of 100 with 99% confidence.
Suppose that Randy is an analyst for the bicyling industry and wants to estimate the asking price of used entry-level road bikes advertised online in the southeastern part of the United States. He obtains a random sample of ?=13n=13 online advertisements of entry-level road bikes. He determines that the mean price for these 13 bikes is ?=$681.87 and that the sample standard deviation is ?=$177.45. He uses this information to construct a 99% confidence interval for ?, the mean price of a used road bike. What is the lower limit of this confidence interval? Please give your answer to the nearest cent.
Suppose we have the following information for two independent samples: x1=35x2=22n1=35n2=36s1=8s2=6 Find the confidence interval using a confidence level of 90%. ?<μ1−μ2<?
Suppose a 95% confidence interval for a correlation is 0.32 to 0.48. Label each of the following values for ρ as either P, plausible, or NP, not plausible.(a) ρ = 0.44 (b) ρ = 0.30 (c) ρ = −0.36
Which of the following would result in the widest confidence interval?a) A sample size of 100 with 90% confidence b) A sample size of 30 with 95% confidence. c) A sample size of 100 with 95% confidence d) A sample size of 100 with 99% confidence. e) A sample size of 30 with 90% confidence. f) A sample size of 30 with 99% confidence.
Give a 95% confidence interval, for μ1−μ2 given the following information. n1=25, ¯x1=2.37, s1=0.9n2=45, ¯x2=2.52 s2=0.75 ±± Use Technology Rounded to 2 decimal places.
Suppose that Randy is an analyst for the bicyling industry and wants to estimate the asking price of used entry-level road bikes advertised online in the southeastern part of the United States. He obtains a random sample of ?=10n=10 online advertisements of entry-level road bikes. He determines that the mean price for these 10 bikes is ?⎯⎯⎯=$659.87x¯=$659.87 and that the sample standard deviation is ?=$197.02s=$197.02. He uses this information to construct a 95% confidence interval for ?μ, the mean price of a used road bike. a) What is the lower limit of this confidence interval? Please give your answer to the nearest cent. b) What is the upper limit of this confidence interval? Please give your answer to the nearest cent.
Suppose that Randy is an analyst for the bicyling industry and wants to estimate the asking price of used entry-level road bikes advertised online in the southeastern part of the United States. He obtains a random sample of ?=13n=13 online advertisements of entry-level road bikes. He determines that the mean price for these 13 bikes is ?⎯⎯⎯=$681.87x¯=$681.87 and that the sample standard deviation is ?=$177.45s=$177.45. He uses this information to construct a 99% confidence interval for ?μ, the mean price of a used road bike. What is the lower limit of this confidence interval? Please give your answer to the nearest cent.
A random sample of students at a college shows that 54 of 200 students had part-time jobs. Which of the follow-ing is the correct formula for a 90% confidence interval for the proportion of all students at this college withpart-time jobs?A) 0.27 { 1.28B10.27210.732200B) 0.27 { 1.28B10.5210.52200C) 0.27 { 1.645B10.27210.732200D) 0.27 { 1.645B10.5210.52200E) 0.27 { 1.96B10.27210.732200
A random survey of 495 adults found that 59 had diabetes. Which of the following is a 98% confidence interval for the population proportion of adults with diabetes? A. (0.0853,0.1531) B. (0.1049,0.1335) C. (0.0211,0.2173) D. NONE OF THE ABOVE
a sample of n=16 scores has mean of M=58 with SS=540. Use the sample to construct the 95% confidence interval for µ?

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Which of the following is NOT an equivalent expression for the confidence interval given by 161.7 < Choose the correct answer below. OA. 175.6-13.9<μ<175.6+13.9 OB. 161.7 27.8 OC. 175.6 13.9 OD. (161.7,189.5) www