Question
In: Statistics and Probability
A bank wants to know if the enrollment on their website is above 30%. They test...
A bank wants to know if the enrollment on their website is above 30%. They test the null hypothesis that the proportion is 0.3, and the alternative that the proportion is greater than 0.3. After obtaining a sample, they fail to reject the null hypothesis. Later they find out that 30% of all customers enrolled. Answer whether there was a Type I error, Type II error, or neither error was made.
Group of answer choices
Type I error
Type II error
Neither error was made
Solutions
orchestra answered 2 years agoRelated Solutions
A bank wants to know if the enrollment for new savings accounts has improved at various...
A bank wants to know if the enrollment for new savings accounts
has improved at various branches after offering a free iPhone X to
customers. Use the data from "iphoneX" sheet in
excel
Run the appropriate statistical test with α=0.05. Which of the
following are correct? More than one answer is possible.
There was a decrease of 0.7 people enrolled on average in a new
savings account after offering a free iPhone X.
There was an increase of 0.7 people...
A market analyst wants to know if the new website (Website A) he designed is showing...
A market analyst wants to know if the new website (Website A) he
designed is showing increased page view per visit than his original
website (Website B). A customer is randomly sent to one of the two
different websites, offering the same products. Here are the
summary statistics for the page views for each website.
Website 1
Wesite 2
12
8
4
12
14
3
10
4
2
5
a. State/check the conditions for the appropriate hypothesis
test. Be sure...
A business analyst wants to know if a new website design compared to an old website...
A business analyst wants to know if a new website design
compared to an old website design is showing increased page views
per visit. Two different samples of customers are randomly sent to
one of two different websites, offering the same products, but with
different designs. Use data from "website" sheet
in excel. Is there a difference in average page views between the
new and old website design?
Which is the correct statistical test?
Free-samples tea test
One-sample t-test
Independent-samples...
A movie website wants to know which movie was the best among the three parts of...
A movie website wants to know which movie was the best among the
three parts of The Lord of The Rings and surveyed a simple random
sample of 40 adults. The results are presented according to 1 =
first part, 2 = second part, and 3 =third part.
2 2 3 1 1 3 3 2 3 1 1 3 3 2 2 3 1 3 3 1 2 2 1 3 1 3 3 2 1 1 2 3...
A market analyst wants to know if the new website he designed is showing increased page...
A market analyst wants to know if the new website he designed is
showing increased page views per visit. A customer is randomly sent
to one of two different websites, offering the same products, but
with different designs. Assume that the data come from a
distribution that is Normally distributed. The data is shown in the
table to the right. Complete parts a through c below.
Website 1
Website 2
n
80
95
ybar
6.5
6.3
s
4.9
5.4
Calculate...
A market analyst wants to know if the new website he designed is showing increased page...
A market analyst wants to know if the new website he designed is
showing increased page views per visit. A customer is randomly sent
to one of two different websites, offering the same products, but
with different designs. The accompanying table shows the data from
five randomly chosen customers from each website. Assume that the
data come from a distribution that is Normally distributed.
Complete parts a through c below.
Website 1
Website 2
11
8
6
12
14
4...
A market researcher working for a bank wants to know if the distribution of applications by...
A market researcher working for a bank wants to know if the
distribution of applications by card is the same for the past three
mailings. She takes a random sample of 200 from each mailing and
counts the number applying for Silver, Gold, and Platinum. The
reported results appear in the accompanying table. Complete parts a
through g below.
silver
gold
platinum
total
mailing 1
119
55
26
200
mailing 2
120
55
25
200
mailing 3
130
54
16...
The international programs office on campus wants to publicize the news that the enrollment of international...
The international programs office on campus wants to
publicize the news that the enrollment of international students on
campus will set a record of 1,000 students for fall semester. They
will come from 90 nations, with China number one and India number
two in terms of students. Write a 60-second audio news release
(ANR) that includes a soundbite.
What is the “grunt test” for a website? Take a screenshot of a website that passes...
What is the “grunt test” for a website? Take a screenshot of a
website that passes this test and tell me why it does.
A bank manager wants to know the mean amount of mortgage paid per month by homeowners...
A bank manager wants to know the mean amount of mortgage paid
per month by homeowners in an area. A random sample of 118
homeowners selected from this area showed that they pay an average
of $1581 per month for their mortgages. The population standard
deviation of such mortgages is $209.
Find a 95% confidence interval for the mean amount of mortgage
paid per month by all homeowners in this area.
Round your answers to two decimal places.
______ to...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- The late triassic and end permian mass extinctions both coincide with large negative carbon isotope excursions...
- Why T1 relaxation time is temperature dependent? Why T2 relaxation time is temperature dependent? Explain it...
- Describe and exemplify questionnaires prepared by renowned authors to detect learning behaviors along with the analysis...
- (Bond valuation) A bond that matures in 17years has a $1 comma 000par value. The annual...
- 1.Describe a Current State problem (hypothetical or actual) in bullet format. 2. Identify the causes that are...
- Use the information in the table and assume that a worker is expected to devote half-time...
- The assembly division of Gannett Watches, Inc. uses the weighted-average method of process costing. Consider the...
ADVERTISEMENT