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 a = 0.05, is there enough evidence to reject the researcher's claim? (c) find the standardized test statistic z.
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 a = 0.05, is there enough evidence to reject the researcher's claim? (c) find the standardized test statistic z.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 a = 0.05, is
there enough evidence to reject the researcher's claim?
(c) find the standardized test statistic z.
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8
An education researcher claims that at most 3% of working college students are
Kemployed as teachers or teaching assistants. In a random sample of 300 working
college students, 5% are employed as teachers or teaching assistants. At a = 0.05, is
there enough evidence to reject the researcher's claim? Complete parts (a)
through (e) below.
1
K
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo= 1.64
(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.)
A. The rejection region is z> 1.64.
1
OB. The rejection region is z<
Oc. The rejection regions are z<
OD. The rejection region is
+
(c) Find the standardized test statistic z.
2-0
(Round to two decimal places as needed.)
(
9
O
<
L
)
- O
A
P
<Z<
....
and z>
| |
Clear all
og Mar
{
[
?
|
+ 11
=
:-
I
Check answer
O
}
mm
delete
enter
return
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Transcribed Image Text:Question list
see it
o my best
>
- of your
snap a photo
36
Ⓒ
stv S
Question 1
Question 2
6
Question 3
9
Y
H
Question 4
Tearch or enter website name
N
Question 5
Question 6
Get more help -
A
7
U
J
EPIC
M
00
8
An education researcher claims that at most 3% of working college students are
Kemployed as teachers or teaching assistants. In a random sample of 300 working
college students, 5% are employed as teachers or teaching assistants. At a = 0.05, is
there enough evidence to reject the researcher's claim? Complete parts (a)
through (e) below.
1
K
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo= 1.64
(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.)
A. The rejection region is z> 1.64.
1
OB. The rejection region is z<
Oc. The rejection regions are z<
OD. The rejection region is
+
(c) Find the standardized test statistic z.
2-0
(Round to two decimal places as needed.)
(
9
O
<
L
)
- O
A
P
<Z<
....
and z>
| |
Clear all
og Mar
{
[
?
|
+ 11
=
:-
I
Check answer
O
}
mm
delete
enter
return
shi
![Question list
it
best
our
a photo
stv
Question 1
6
Question 2
H
Question 3
Y
N
Question 4
or enter website name
Question 5
Question 6
Get more help -
&
7
U
J
M
EPIC
8
1
K
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% employed as teachers or teaching assistants. At a=0.05, is
there enough evidence to reject the researcher's claim? Complete parts (a)
through (e) below.
OA. More than
O C.
% of working college students are employed as teachers or
teaching assistants.
B. At most 3% of working college students are employed as teachers or
teaching assistants.
OD. The percentage of working college students who are employed as teachers
or teaching assistants is not %.
Ⓒ
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 Ho and
Ha. Select the correct choice below and fill in the answer boxes to complete your
choice.
(Round to two decimal places as needed.)
(
9
% of working college students are employed as teachers or teaching
assistants.
OA. Ho: P>
H₂:ps
D. Ho: p≤ 0.03
Ha:p> 0.03
O
L
)
O
V
P
OB. Ho: P=
Ha:p*
OE. Ho: P
H₂: p=
....
Clear all
THROW
{
?
+ 11
=
11
OC. Ho: P<
H:pz
OF. Ho: p2
H₂: p<
Check answer
}
]
delete
enter
return](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F345779e7-6794-42be-ac7a-69d137dc5b34%2Fd61b0c2f-b24c-49d3-9883-afab23e94043%2Fo8c13fr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question list
it
best
our
a photo
stv
Question 1
6
Question 2
H
Question 3
Y
N
Question 4
or enter website name
Question 5
Question 6
Get more help -
&
7
U
J
M
EPIC
8
1
K
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% employed as teachers or teaching assistants. At a=0.05, is
there enough evidence to reject the researcher's claim? Complete parts (a)
through (e) below.
OA. More than
O C.
% of working college students are employed as teachers or
teaching assistants.
B. At most 3% of working college students are employed as teachers or
teaching assistants.
OD. The percentage of working college students who are employed as teachers
or teaching assistants is not %.
Ⓒ
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 Ho and
Ha. Select the correct choice below and fill in the answer boxes to complete your
choice.
(Round to two decimal places as needed.)
(
9
% of working college students are employed as teachers or teaching
assistants.
OA. Ho: P>
H₂:ps
D. Ho: p≤ 0.03
Ha:p> 0.03
O
L
)
O
V
P
OB. Ho: P=
Ha:p*
OE. Ho: P
H₂: p=
....
Clear all
THROW
{
?
+ 11
=
11
OC. Ho: P<
H:pz
OF. Ho: p2
H₂: p<
Check answer
}
]
delete
enter
return
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