A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 755 customers in one fast-food chain's drive-through has a lower bound of 161.1 seconds and an upper bound of 164.3 seconds. What does this mean? Choose the correct answer below. O A. There is a 95% probability that the mean drive-through service time of this fast-food chain is between 161.1 seconds and 164.3 seconds. O B. One can be 95% confident that the mean drive-through service time of this fast-food chain is between 161.1 seconds and 164.3 seconds. OC. The mean drive-through service time of this fast-food chain is 162.7 seconds 95% of the time. O D. One can be 95% confident that the mean drive-through service time of this fast-food chain is 162.7 seconds.

A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 755 customers in one fast-food chain's drive-through has a lower bound of 161.1 seconds and an upper bound of 164.3 seconds. What does this mean? Choose the correct answer below. O A. There is a 95% probability that the mean drive-through service time of this fast-food chain is between 161.1 seconds and 164.3 seconds. O B. One can be 95% confident that the mean drive-through service time of this fast-food chain is between 161.1 seconds and 164.3 seconds. OC. The mean drive-through service time of this fast-food chain is 162.7 seconds 95% of the time. O D. One can be 95% confident that the mean drive-through service time of this fast-food chain is 162.7 seconds.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

According to a recent Government survey, 6% of all merchandise sold in the U.S. gets returned. A Houston department store sampled 80 items sold in January and found that 12 items were returned. Create a 90% confidence interval for the proportion of returns at the Houston store.
A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages. Construct a 95% confidence interval for the proportion of adults who have a Facebook page.
Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)
A survey of 360 college seniors found that 305 wish they had spent more time studying. Find a 94% confidence interval for the true proportion p of those who wish they had spent more time studying.
Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 16, upper bound is 26. The point estimate of the population mean is
A survey of 2450 golfers showed that 281 of them are left-handed. Construct a 90% confidence interval for the proportion of golfers that are left-handed. Question 10 options: (0.104, 0.125) (0.369, 0.451) (0.100, 0.130) (0.203, 0.293)
orffout 3. In a survey conducted by the marketing agency 11mark, 241 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included texting and answering phone calls). Construct a 96% confidence interval for the population proportion of adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom. Clearly state your results. BAIEŽ 12052 2002
Find a 95% confidence interval for the percentage of stocks with a gain.
A learn-to-type software program claims that it can improve your typing skills. To test the claim and possibly help yourself out, you and six of your friends decide to try the program and see what happens. Use the table below to construct an 80% confidence interval for the true mean change in the typing speeds for people who have completed the typing program. Let Population 1 be the typing speed before taking the program and Population 2 be the typing speed after taking the program. Round the endpoints of the interval to one decimal place, if necessary. Typing Speeds (in Words per Minute) Before After 32 33 51 42 55 40 35 32 54 33 45 30 50 52
Help
A trade magazine routinely checks the drive-through service times upper bound of 163.1 seconds. What does this mean? fast-food restaurants. An 80% confidence interval that results from examining 563 customers in one fast-food chain's drive-through has a lower bound of 159.5 seconds and an Choose the correct answer below. O A. One can be % confident that the mean drive-through service time of this fast-food chain is seconds O B. One can be % confident that the mean drive-through service time of this fast-food chain is between seconds and seconds. O C. The mean drive-through service time of this fast-food chain is seconds % of the time. O D. There is a % probability that the mean drive-through service time of this fast-food chain is between seconds and seconds.
At a large high school, an assistant principal wants to know how intelligent the students at the school are. An intelligence test is administered to an SRS of 50 students, out of over 2000 students. The mean score was 115 and the standard deviation was 15. Construct a 99% confidence interval for the mean score of all students in the school. A) (109.32, 120.69) B) (119.58, 123.50) C) (110.87, 129.41) D) Can not be determined from the information given.