cextbook publisher claims that 75% of college students enrolled in a course that uses their ktbooks pass the class. One professor thinks the proportion is actually higher. He surveys 111 udents in classes that use a textbook from the textbook publisher and finds the 92 of those udents ultimately pass the class. Perform a hypothesis test using a 4% level of significance. ep 1: State the null and alternative hypotheses. D:?? v n: ? v? o we will be performing a Select an answer v test.) ep 2: Assuming the null hypothesis is true, determine the features of the distribution of int estimates using the Central Limit Theorem. the Central Limit Theorem, we know that the point estimates are Select an answer stribution mean with and distribution standard deviation cep 3: Find the p-value of the point estimate. ? v? v = P(? ?v value cep 4: Make a Conclusion About the null hypothesis. nce the p-value ? = a, we Select an answer v the null hypothesis.
cextbook publisher claims that 75% of college students enrolled in a course that uses their ktbooks pass the class. One professor thinks the proportion is actually higher. He surveys 111 udents in classes that use a textbook from the textbook publisher and finds the 92 of those udents ultimately pass the class. Perform a hypothesis test using a 4% level of significance. ep 1: State the null and alternative hypotheses. D:?? v n: ? v? o we will be performing a Select an answer v test.) ep 2: Assuming the null hypothesis is true, determine the features of the distribution of int estimates using the Central Limit Theorem. the Central Limit Theorem, we know that the point estimates are Select an answer stribution mean with and distribution standard deviation cep 3: Find the p-value of the point estimate. ? v? v = P(? ?v value cep 4: Make a Conclusion About the null hypothesis. nce the p-value ? = a, we Select an answer v the null hypothesis.
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
Transcribed Image Text:A textbook publisher claims that 75% of college students enrolled in a course that uses their
textbooks pass the class. One professor thinks the proportion is actually higher. He surveys 111
students in classes that use a textbook from the textbook publisher and finds the 92 of those
students ultimately pass the class. Perform a hypothesis test using a 4% level of significance.
Step 1: State the null and alternative hypotheses.
Ho: ?v?v
Ha: ? ?v
(So we will be performing a Select an answer v test.)
Step 2: Assuming the null hypothesis is true, determine the features of the distribution of
point estimates using the Central Limit Theorem.
By the Central Limit Theorem, we know that the point estimates are Select an answer
v with
distribution mean
and distribution standard deviation
Step 3: Find the p-value of the point estimate.
P(? v ? v
= P(?v?v
p-value =
Step 4: Make a Conclusion About the null hypothesis.
Since the p-value =
= a, we Select an answer v the null hypothesis.
O We cannot conclude that more than 75% of students enrolled in a course that uses the
publisher's textbook pass the class.
O We conclude that more than 75% of students enrolled in a course that uses the publisher's
textbook pass the class.
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