Suppose a 95% confidence interval for the proportion of Filipinos who exercise regularlyis 0.29 to 0.37. Which one of the following statements is FALSE?O a. The hypothesis that 33% of Filipinos exercise regularly cannot be rejected at2.5% level of significance.O b. It is reasonable to say that more than 25% of Filipinos exercise regularly.It is reasonable to say that more than 40% of Filipinos exercise regularly.O d. It is reasonable to say that more than 40% of Filipinos do not exercise regularly.

95 % confidence interval for proportion if Filipinos who exercise regularly is 0.29 to 0.37.…

Answered: Suppose a 95% confidence interval for…

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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An analyst stated that all else equal, increasing sample size will decrease both the standard error and the width of the confidence interval. The analyst's statement is correct is regard to: a. The standard error, but incorrect in regard to the confidence interval b. both the standard error and confidence interval c. The confidence interval but incorrect in regard to the standard error
Which of the following would be a correct interpretation of an 87% confidence interval for the true proportion of students who do aerobics? A) We are 87% confident that the true proportion of students who do aerobics is between 28.8% and 39.9%. B) We are 87% confident that the true average of students who do aerobics is between 28.8% and 39.9%. C) We are 95% confident that the true proportion of students who do aerobics is between 28.8% and 39.9%. D) We are 87% confident that the true proportion of students who do aerobics is between 27.3% and 41.7%.
A researcher surveyed college students in the United States on the typical amount of time each day that they spend interacting with different types of media (television, social media, Internet-connected devices, game consoles, etc.) The researcher found that the mean amount of time that college students spent watching television each day is 135 minutes with a 95% confidence interval of (105, 165). a. State the conclusion the researcher can make from this confidence interval. b. What is the margin of error for the confidence interval?
10. Which one of the following statements about confidence intervals is false? A. Given the same sample of data, a 90% confidence interval will be narrower than a 95% confidence interval. B. The size of the population does not affect the width of a confidence interval. C. The population proportion determines the center of the confidence interval. D. The value of z* affects the width of a confidence interval. E. The general format of a confidence interval is “sample statistic ± margin of error.”
4
1. The best point estimator for the average weight of current PBA players is __ kilograms 2. At 98% confidence, the estimate of the minimum weight of all PBA players is __ kilograms Kindly answer both questions please. Thanks.
4.A prior study(by Pew Research 2021)found that 35 out of 50 randomly selected US adults between the ages of 18 to 29 use (or have used) Instagram. Construct a 99% confidence interval for the population proportion of US adults between the ages of 18 to 29 use (or have used) Instagram. (round to three decimal places) a.Identify the following: X, N, P b.Which distribution should you use for this problem? c.What is the corresponding critical value for a 99% confidence interval? d.Calculate the margin of error (3 decimal places) e.Construct a 99% confidence interval f. Interpret the interval.
what is the effect of selecting a higher confidence level (e.g., 99% vs. 68%) on:1. The associated Z score:A. Increases B. Decreases C. Stays the same 2. The observed sample average:A. Increases B. Decreases C. Stays the same 3. The range of values the population average might take:A. Increases B. Decreases C. Stays the same
5.
Which of the following is the correct interpretation of a 90% confidence interval such as 0.15 < p < 0.56? a. 90% of all data values fall between o.15 and o.56. O b. We are 90% confident that the interval from o.15 to o.56 will contain the true value of p. c. 90% of the population proportions fall between o.15 and o.56. O d. There is a 90% chance that p will fall between o.15 and o.56.
C12. According to a report published by the Pew Research Center in February 2010, 61% of Millennials (Americans in their teens and 20s) think that their generation has a unique and distinctive identity (N= 527).8 a. Calculate the 95% confidence interval to estimate the percentage of Millennials who believe that their generation has a distinctive identity as compared with the other generations (Generation X, baby boomers, or the Silent Generation). b. Calculate the 99% confidence interval.

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