A humane society claims that less than 72% of households in a certain country own a pet. In a random sample of 400 households in that country, 272say they own a pet. At a = 0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below.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.)Less than 72% of households in the country own a pet.% of households in the country own a pet.C. More than % of households in the country own a pet.D. The percentage households in the country that own a pet is not %.B.Let p be the population proportion of successes, where a success is a household in the country that owns a pet. State Ho and H₂. Select the correctchoice below and fill in the answer boxes to complete your choice.a(Round to two decimal places as needed.)A. Ho: p²Ha: p<D. Ho: p=Ha: pB. Ho: psHa:p>E. Ho: p= 0.72Ha: p= 0.72C. Ho: P<Ha:pzF. Ho:p>Ha:ps

Answer X =272n =400level of significance =0.10

Answered: A humane society claims that less than…

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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You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume you want to be 90% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Completed parts a and b below. A.) assume that nothing is known about the percentage of passengers who prefer aisle seats. N= ____ (round up to the nearest integer) B.) assume that a prior survey suggest that about 35% of air passengers prefer an aisle seat. N=____ (round up to the nearest integer)
Urgent help needed with this question please
11
The results: A. Are, or B. Are not significantly: A. High, or B. Low so there: A. is, or B. is not
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Select the most appropriate answer. The estimation of the population average age of registered voters in the state of Ohio based on the sample average age of 1,000 registered voters in that state and its corresponding margin of error is an example of O descriptive statistics. O deductive statistics. O inferential statistics. O a statistic. a parameter.
A poll in 2017 reported that 680 out of 1026 adults in a certain country believe that marijuana should be legalized. When this poll about the same subject was first conducted in 1969, only 12% of the adults of the country supported legalization. Assume the conditions for using the CLT are met. Complete parts (a) through (d) below. a. Find and interpret a 99% confidence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized. The 99% confidence interval for the proportion of adults in the country in 2017 that believe marijuana should be legalized is (. ). (Round to three decimal places as needed.) Interpret this interval. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) O A. We are % confident that the population proportion of adults who believe marijuana should be legalized is between and O B. There is a % chance that the population…

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