Question
The display provided from technology available below results from using data for a smartphone carrier's data...
The display provided from technology available below results from using data for a smartphone carrier's data speeds at airports to test the claim that they are from a population having a mean less than
4.00
Mbps. Conduct the hypothesis test using these results. Use a
0.05
significance level. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
LOADING...
Click the icon to view the display from technology.
Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?
A.
Upper H 0
:
mu
less than4.00
Mbps
Upper H 1
:
mu
equals4.00
Mbps
B.
Upper H 0
:
mu
equals4.00
Mbps
Upper H 1
:
mu
less than4.00
Mbps
C.
Upper H 0
:
mu
equals4.00
Mbps
Upper H 1
:
mu
not equals4.00
Mbps
D.
Upper H 0
:
mu
equals4.00
Mbps
Upper H 1
:
mu
greater than4.00
Mbps
Identify the test statistic.
nothing
(Round to two decimal places as needed.)
Identify the P-value.
nothing
(Round to three decimal places as needed.)
State the final conclusion that addresses the original claim.
▼
Fail to reject
Reject
Upper H 0
.
There is
▼
sufficient
not sufficient
evidence to support the claim that the sample is from a population with a mean less than
4.00
Mbps.
mu less than4.00
t=negative 1.927763
p=0.030177
x overbar=3.49
Sx=1.774691
n=45
Homework Answers
Answer #1
Solution:
a) The null and alternative hypotheses are:
b) The value of the test statistic is:
c) The p-value is:
State the final conclusion that addresses the original claim.
Answer: Reject H0. There is sufficient evidence to support the claim that the sample is from a population with a mean less than 4.00 Mbps.
Not the answer you're looking for?
Similar Questions
The display provided from technology available below results from using data for a smartphone carrier's data...
The display provided from technology available below results
from using data for a smartphone carrier's data speeds at airports
to test the claim that they are from a population having a mean
less than 6.00 Mbps. Conduct the hypothesis test using these
results. Use a 0.050 significance level. Identify the null and
alternative hypotheses, test statistic, P-value, and state the
final conclusion that addresses the original claim.
null? hypotheses?
z= ??
p-vale?
conclusion? evidence or not enough evidence?
A data set lists earthquake depths. The summary statistics are n equals 400, x over bar...
A data set lists earthquake depths. The summary statistics are n
equals 400, x over bar equals 6.48 km, s equals 4.83 km. Use a
0.01 significance level to test the claim of a seismologist that
these earthquakes are from a population with a mean equal to 6.00.
Assume that a simple random sample has been selected. Identify the
null and alternative hypotheses, test statistic, P-value, and
state the final conclusion that addresses the original claim. What
are the null...
A data set includes data from 500 random tornadoes. The display from technology available below results...
A data set includes data from 500 random tornadoes. The display
from technology available below results from using the tornado
lengths (miles) to test the claim that the mean tornado length is
greater than 2.9 miles. Use a 0.05 significance level. Identify the
null and alternative hypotheses, test statistic, P-value, and
state the final conclusion that addresses the original claim.
Hypothesis test results:
muμ
: Mean of variable
H0
:
muμequals=2.92.9
HA
:
muμgreater than>2.9
Variable
Sample Mean...
A data set lists earthquake depths. The summary statistics are nequals600, x overbarequals4.39 km, sequals4.65 km....
A data set lists earthquake depths. The summary statistics are
nequals600, x overbarequals4.39 km, sequals4.65 km. Use a 0.01
significance level to test the claim of a seismologist that these
earthquakes are from a population with a mean equal to 4.00. Assume
that a simple random sample has been selected. Identify the null
and alternative hypotheses, test statistic, P-value, and state
the final conclusion that addresses the original claim. What are
the null and alternative hypotheses? A. Upper H 0:...
A data set about speed dating includes "like" ratings of male dates made by the female...
A data set about speed dating includes "like" ratings of male
dates made by the female dates. The summary statistics are
nequals195, x overbarequals6.85, sequals2.18. Use a 0.10
significance level to test the claim that the population mean of
such ratings is less than 7.00. Assume that a simple random sample
has been selected. Identify the null and alternative hypotheses,
test statistic, P-value, and state the final conclusion that
addresses the original claim.
What are the null and alternative hypotheses?...
A study was done using a treatment group and a placebo group. The results are shown...
A study was done using a treatment group and a placebo group. The
results are shown in the table. Assume that the two samples are
independent simple random samples selected from normally
distributed populations, and do not assume that the population
standard deviations are equal. Complete parts (a) and (b) below.
Use a
0.10
significance level for both parts.
Treatment
Placebo
mu
mu 1
mu 2
n
29
40
x overbar
2.34
2.69
s
0.82
0.52
a. Test the claim...
A data set about speed dating includes "like" ratings of male dates made by the female...
A data set about speed dating includes "like" ratings of male
dates made by the female dates. The summary statistics are
nequals=189189,
x overbarxequals=6.596.59,
sequals=1.861.86.
Use a
0.050.05
significance level to test the claim that the population mean of
such ratings is less than
7.007.00.
Assume that a simple random sample has been selected. Identify
the null and alternative hypotheses, test statistic, P-value, and
state the final conclusion that addresses the original claim.
What are the null and alternative hypotheses?...
Consider a drug testing company that provides a test for marijuana usage. Among 291tested subjects, results...
Consider a drug testing company that provides a test for
marijuana usage. Among 291tested subjects, results from 27subjects
were wrong (either a false positive or a false negative). Use a
0.05 significance level to test the claim that less than 10 percent
of the test results are wrong.
Identify the null and alternative hypotheses for this test.
Choose the correct answer below.
A.
Upper H 0
:
pless than
0.1
Upper H 1
:
pequals
0.1
B.
Upper H 0...
Assume that a simple random sample has been selected from a normally distributed population and test...
Assume that a simple random sample has been selected from a
normally distributed population and test the given claim. Identify
the null and alternative hypotheses, test statistic, P-value, and
state the final conclusion that addresses the original claim.
A safety administration conducted crash tests of child booster
seats for cars. Listed below are results from those tests, with
the measurements given in hic (standard head injury condition
units). The safety requirement is that the hic measurement should
be less than...
A data set includes data from student evaluations of courses. The summary statistics are n=90, x=3.32,...
A data set includes data from student evaluations of courses.
The summary statistics are
n=90,
x=3.32,
s=0.68.
Use a 0.05 significance level to test the claim that the
population of student course evaluations has a mean equal to
3.50.
Assume that a simple random sample has been selected. Identify
the null and alternative hypotheses, test statistic, P-value, and
state the final conclusion that addresses the original claim.
What are the null and alternative hypotheses?
Determine the test statistic.
State the...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 10 minutes ago
asked 13 minutes ago
asked 13 minutes ago
asked 16 minutes ago
asked 27 minutes ago
asked 43 minutes ago
asked 43 minutes ago
asked 44 minutes ago
asked 53 minutes ago
asked 53 minutes ago
asked 1 hour ago
asked 1 hour ago