An education researcher claims that at most
8% of working college students are employed as teachers or teaching assistants. In a random sample of 400 working college students, 10% are employed as teachers or teaching assistants. At α=0.01, 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.)
Fill the percentage on the correct answer
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. % of working college students are employed as teachers or teaching assistants.
D.
At most %of working college students are employed as teachers or teaching assistants.
(b) State H0 and Ha.
Select the correct choice below and fill in the answer boxes to complete your choice.
Select the correct choice below and fill in the answer boxes to complete your choice.
A.
H0:p≠Fill
Ha:p=Fill
B.
H0:p≥Fill
Ha:p<Fill
C.
H0:p≤Fill
Ha:p>Fill
D.
H0:p<Fill
Ha:p≥fill
E.
H0:p>fill
Ha:p≤fill
F.
H0:p=fill
Ha:p≠fill
c) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
z0=
(Round to two decimal places as needed. Use a comma to separate answers as needed.
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