Question
Use at-test to test the claim about the population mean mu at the given level of significance alpha using the given sample statistics. Assume the
Use at-test to test the claim about the population mean mu
at the given level of significance alpha
using the given sample statistics. Assume the population is normally distributed.
Claim: mu
equals
=52 comma 400
52,400; alpha
equals
=0.10
0.10Samplestatistics: x overbar
xequals
=51 comma 979
51,979, sequals
=2200
2200, nequals
=15
15
LOADING...
Click the icon to view thet-distribution table.
What are the null and alternativehypotheses? Choose the correct answer below.
A.
H0: mu
not equals
52 comma 400
52,400
Ha: mu
equals
=52 comma 400
52,400
B.
H0: mu
less than or equals
52 comma 400
52,400
Ha: mu
greater than
>52 comma 400
52,400
C.
H0: mu
equals
=52 comma 400
52,400
Ha: mu
not equals
52 comma 400
52,400
D.
H0: mu
greater than or equals
52 comma 400
52,400
Ha: mu
less than
<52 comma 400
52,400
What is the value of the standardized teststatistic?
The standardized test statistic is
nothing
. (Round to two decimal places asneeded.)
Whatis(are) the criticalvalue(s)?
The criticalvalue(s) is(are)
nothing
.
(Round to three decimal places as needed. Use a comma to separate answers asneeded.)
Decide whether to reject or fail to reject the null hypothesis.
A.
Reject
Reject Upper H 0
H0. There is not
isnot enough evidence to reject the claim.
B.
Reject
Reject Upper H 0
H0. There is
is enough evidence to reject the claim.
C.
Fail to reject
Failtoreject Upper H 0
H0. There is
is enough evidence to reject the claim.
D.
Fail to reject
Failtoreject Upper H 0
H0. There is not
isnot enough evidence to reject the claim.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started