A researcher wants to test the null hypothesis H; p = 0.79 against the alternative H; p>0.79. A sample of 1200 observations is inputted into a computer software and returns the result: z = 3 and the one-tailed p-value = 0.0013. What is your interpretation of this p-value, using a =0.05?
A researcher wants to test the null hypothesis H; p = 0.79 against the alternative H; p>0.79. A sample of 1200 observations is inputted into a computer software and returns the result: z = 3 and the one-tailed p-value = 0.0013. What is your interpretation of this p-value, using a =0.05?
MATLAB: An Introduction with Applications
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![A researcher wants to test the null hypothesis H,; p = 0.79 against the alternative
H; p> 0.79. A sample of 1200 observations is inputted into a computer software
and returns the result: z = 3 and the one-tailed p-value = 0.0013. What is your
interpretation of this p-value, using a =0.05?
5.
6. A politician claims that she will receive 60% of the votes in the upcoming election.
Of a random sample of 200 voters, there were 100 who will surely vote for her.
Test the politician's assertion at the 0.05 level of significance.
A social worker reports that 30% of workers in a factory are below 15 years of
age. Of the 120 employees surveyed, 38 said they were below 15 years old. Using
a = 0.05, interpret the p-value.
7.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff1442e18-9940-459f-b008-ff0dc77c94a4%2F9c09e669-1151-4ec7-b34f-5723e9627114%2Fus1cxjj_processed.gif&w=3840&q=75)
Transcribed Image Text:A researcher wants to test the null hypothesis H,; p = 0.79 against the alternative
H; p> 0.79. A sample of 1200 observations is inputted into a computer software
and returns the result: z = 3 and the one-tailed p-value = 0.0013. What is your
interpretation of this p-value, using a =0.05?
5.
6. A politician claims that she will receive 60% of the votes in the upcoming election.
Of a random sample of 200 voters, there were 100 who will surely vote for her.
Test the politician's assertion at the 0.05 level of significance.
A social worker reports that 30% of workers in a factory are below 15 years of
age. Of the 120 employees surveyed, 38 said they were below 15 years old. Using
a = 0.05, interpret the p-value.
7.
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