Formulate the indicated conclusion in text terms. Be sure to address the origina
ID: 3314533 • Letter: F
Question
Formulate the indicated conclusion in text terms. Be sure to address the original claim.
A psychologist claims that more than 56 percent of the population suffers from professional problems due to extreme shyness. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, s tate the conclusion in nontechnical terms.
A) There is sufficient evidence to support the claim that the true proportion is greater than 56 percent.
B) There is sufficient evidence to support the claim that the true proportion is less than 56 percent.
C) There is not sufficient evidence to support the claim that the true proportion is less than 56 percent.
D) There is not sufficient evidence to support the claim that the true proportion is greater than 56 percent.
7 pt.
6.
Test the given claim. Identify the null hypothesis, alternative hypothesis, critical values, and conclusion. Sketch the graph to confirm your solution .
In a clinical study of an allergy drug, 108 of the 202 subjects reported experiencing significant relief from their sy mptoms. At the 0.01 significance level, test the claim that more than half of all those using the drug experience relief .
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1 4 pt.
7.
Test the given claim. Identify the null hypothesis, alternative hypothesis, critical values, and conclusion.
A manufacturer considers his production process to be out of control when defects exceed 3%. In a random sample of 85 items, the defected are 5, but the manager claims that this is only a sample fluctuation and production is not really out of c ontrol. At the 0.01 level of significance, test the manager's claim.
1 0 pt.
8.
Test the given claim. Identify the null hypothesis, alternative hypothesis, critical values, and conclusion.
Various temperature measurements are recorded at different times for a particular city. The mean of 20°C is obtained for 40 te mperatures on 40 different days and a standard deviation of 1.5°C. We assume that the population mean is 22 °C . Use a 0.05 significance level. Test the claim tha t hat population mean temperature is 22 °C
10 pt.
9.
Assume that a simple random sample has been selected from a normally distributed population. Test the given claim. Identify the null hypothesis, alternative hypothesis, critical values, and conclusion. Sketch the graph to confirm your solution .
The mean score of 84.5 is obtained for 16 students with a standard deviation of 11.2. We assume that the population mean is 80 . Use a 0.0 1 significance level. Test the claim that the mean score is 80 pt.
Formulate the indicated conclusion in text terms. Be sure to address the original claim.
A psychologist claims that more than 56 percent of the population suffers from professional problems due to extreme shyness. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, s tate the conclusion in nontechnical terms.
A) There is sufficient evidence to support the claim that the true proportion is greater than 56 percent.
B) There is sufficient evidence to support the claim that the true proportion is less than 56 percent.
C) There is not sufficient evidence to support the claim that the true proportion is less than 56 percent.
D) There is not sufficient evidence to support the claim that the true proportion is greater than 56 percent.
7 pt.
Explanation / Answer
As per the Chegg policy, we are advised to do only one question at a time so i am attempting the 1st one.
It is given that the test result is failure to reject the null hypothesis. Hence,
There is not sufficient evidence to support the claim that the true proportion is greater than 56 percent.
Option D is correct.
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