An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 5% 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.) A. nothing% of working college students are employed as teachers or teaching assistants. B. The percentage of working college students who are employed as teachers or teaching assistants is not nothing%. C. At most nothing% of working college students are employed as teachers or teaching assistants. D. More than nothing% of working college students are employed as teachers or teaching assistants. Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant. State H0 and Ha. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) A. H0: p=nothing Ha: p≠nothing B. H0: p≤nothing Ha: p>nothing C. H0: p≥nothing Ha: pnothing Ha: p≤nothing F. H0: pnothing. B. The rejection region is z>nothing. C. The rejection region is nothing
An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 5% 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.) A. nothing% of working college students are employed as teachers or teaching assistants. B. The percentage of working college students who are employed as teachers or teaching assistants is not nothing%. C. At most nothing% of working college students are employed as teachers or teaching assistants. D. More than nothing% of working college students are employed as teachers or teaching assistants. Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant. State H0 and Ha. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) A. H0: p=nothing Ha: p≠nothing B. H0: p≤nothing Ha: p>nothing C. H0: p≥nothing Ha: pnothing Ha: p≤nothing F. H0: pnothing. B. The rejection region is z>nothing. C. The rejection region is nothing
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
An education researcher claims that at most
3%
of working college students are employed as teachers or teaching assistants. In a random sample of
300
working college students,
5%
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.)
nothing%
of working college students are employed as teachers or teaching assistants.The percentage of working college students who are employed as teachers or teaching assistants is not
nothing%.
At most
nothing%
of working college students are employed as teachers or teaching assistants.More than
nothing%
of working college students are employed as teachers or teaching assistants.Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant. State
H0
and
Ha.
Select the correct choice below and fill in the answer boxes to complete your choice.(Round to two decimal places as needed.)
H0:
p=nothing
Ha:
p≠nothing
H0:
p≤nothing
Ha:
p>nothing
H0:
p≥nothing
Ha:
p<nothing
H0:
p≠nothing
Ha:
p=nothing
H0:
p>nothing
Ha:
p≤nothing
H0:
p<nothing
Ha:
p≥nothing
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
z0=nothing
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to two decimal places as needed.)
The rejection regions are
z<nothing
and
z>nothing.
The rejection region is
z>nothing.
The rejection region is
nothing<z<nothing.
The rejection region is
z<nothing.
(c) Find the standardized test statistic z.
z=nothing
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
▼
Fail to reject
Reject
▼
is not
is
▼
support
reject
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