A research center claims that 31% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 33% say that they would travel into space on a commercialflight if they could afford it. At a = 0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below.(a) Identify the claim and state Ho and HIdentify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice.(Type an integer or a decimal. Do not round.)O A. % of adults in the country would travel into space on a commercial flight if they could afford it.O B. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not %OC. At least % of adults in the country would travel into space on a commercial flight if they could afford it.O D. No more than % of adults in the country would travel into space on a commercial flight if they could afford it.

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Answered: A research center claims that 31% of…

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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A research center claims that 30% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 34% say that they would travel into space on a commercial flight if they could afford it. At a=0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state Ho and H. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) ontents O A. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. %. O B. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not edia Library O C. At least % of adults in the country would travel into space on a commercial flight if they could afford it. lan O D. % of adults…
A medical researcher says that less than 82% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that country, 80% think that healthy children should be required to be vaccinated. Al 12 -0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) OA. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. O B. Less than % of adults in the country think that healthy children should be required to be vaccinated. OC. % of adults in the country think that healthy children should be required to be vaccinated. OD. More than % of adults in the country think that healthy children should be required to be…
A research center claims that 31% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 800 adults in that country, 34% say that they would travel into space on a commercial flight if they could afford it. At a = 0.10, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state H, and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. At least % of adults in the country would travel into space on a commercial flight if they could afford it. O B. % of adults in the country would travel into space on a commercial flight if they could afford it. %. O C. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not O D. No more than % of adults in the country would…
A research center claims that 28% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 700 adults in that country, 32% say that they would travel into space on a commercial flight if they could afford it. At a = 0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state Ho and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. At least % of adults in the country would travel into space on a commercial flight if they could afford it. B. No more than % of adults in the country would travel into space on a commercial flight if they.could afford it. C. 28 % of adults in the country would travel into space on a commercial flight if they could afford it. O D. The percentage adults in the country who would travel into…
A company manufacturing CDs is working on a new technology. A random sample of 717 Internet users were asked "As you may know, some CDs are being manufactured so that you can only make one copy of the CD after you purchase it. Would you buy a CD with this technology, or would you refuse to buy it even ifit was one you would normaly buy?" Of hose usert, 56% responded that they would buy the CD. Complete parts a and b below a) Create a 90% confidence interval for this percentage 口口 (Round to three decimal places as needed, Use ascending order.)
An education researcher claims that at most 7% of working college students are employed as teachers a= 0.01, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. r teaching assistants. In a random sample of 500 working college students, 9% are employed as teachers or teaching assistants. At (a) Identify the claim and state H, and H Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. At most 7 % of working college students are employed as teachers or teaching assistants. O B. % of working college students are employed as teachers or teaching assistants. O C. The percentage of working college students who are employed as teachers or teaching assistants is not %. O D. More than % of working college students are employed as teachers or teaching assistants. Let p be the population proportion of successes, where a success is a…
show all solutions note: answer only number 5.3 the question is connected to number 5)
An education researcher claims that at most 5% of working college students are employed as teachers or teaching assistants. In a random sample of 600 working college students, 7% are employed as teachers or teaching assistants. At α = 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. A. The percentage of working college students who are employed as teachers or teaching assistants is not ______%. B. More than ______% of working college students are employed as teachers or teaching assistants. C. At most ______% of working college students are employed as teachers or teaching assistants. D. ______% of working college students are employed as teachers or teaching assistants. (b) Find the critical value(s) and identify the rejection region(s). z0 =…
A research center claims that. least 31% of adults in a certain country think that their taxes will be audited. In a random sample of 900 adults in that country in a recent year, 26% say they are concerned that their taxes will be audited. At a = 0.05, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. Less than % of adults in the country think that their taxes will be audited. O B. % of adults in the country think that their taxes will be audited. C C. At least 31 % of adults in the country think that their taxes will be audited. O D. The percentage of adults in the country who think that their taxes will be audited is not % Let p be the population proportion of successes, where a success is an adult in the country who thinks that…
An education researcher claims that at most 4% of working college students are employed as teachers or teaching assistants. In a random sample of 600 working college students, 6% are employed as teachers or teaching assistants. At α=0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. nothing% of working college students are employed as teachers or teaching assistants. B. More than nothing% of working college students are employed as teachers or teaching assistants. C. The percentage of working college students who are employed as teachers or teaching assistants is not nothing%. D. At most nothing% of working college students are employed as teachers or teaching assistants.…

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