Question
In: Statistics and Probability
A cellular phone service provider is offering a new calling plan that it claims will result...
A cellular phone service provider is offering a new calling plan that it claims will result in an average savings of more than 20% for its customers who switch to the plan. To evaluate this claim, a consumer watchdog organization contacted a random sample of this provider's customers who enrolled in the new plan and computed their individual savings (as a percentage of their original monthly bill).
PctSavings(%)
9.84
14.13
15.01
23.47
19.07
21.37
19.64
22.38
26.56
22.52
23.11
18.77
32.77
(1) Use Minitab to construct a normal probability plot to check
the normality condition. Report the value of the Anderson-Darling
statistic (AD) below.
AD = (rounded to 3 decimal places; 2 for Minitab Express)
(2) Use Minitab to conduct a test to see if there is enough
evidence for the provider's claim. Report the value of the
appropriate test statistic and the p-value.
Test Statistic Value = (rounded to 2 decimal
places)
p-value = (rounded to 3 decimal places; 4 for Minitab
Express)
Solutions
orchestra answered 2 years agoRelated Solutions
Write a program for XXX Phones, a provider of cellular phone service. Prompt a user for...
Write a program for XXX Phones, a provider of cellular phone
service. Prompt a user for maximum monthly values for talk minutes
used, text messages sent, and gigabytes of data used, and then
recommend the best plan for the customer’s needs. A customer who
needs fewer than 400 minutes of talk and no text or data should
accept Plan A at $29 per month. A customer who needs fewer than 400
minutes of talk and any text messages should accept...
Telsave is one of the mobile phone service providers in the region. It offers different calling...
Telsave is one of
the mobile phone service providers in the region. It offers
different calling plans for different types of users, mainly
individual plan and business plan. Telsave’s marginal costs and
average costs of providing the calling service are both $5 per
hour.
The demand for
mobile services by individual users and business users are as
follows:
Individual
users QI=
9000-100PI
Business
users QB=6000-50PB
where QI
and QB are, respectively, total calling hours made by
individual users and business users; PI and...
Telsave is one of the mobile phone service providers in the region. It offers different calling...
Telsave is one of
the mobile phone service providers in the region. It offers
different calling plans for different types of users, mainly
individual plan and business plan. Telsave’s marginal costs and
average costs of providing the calling service are both $5 per
hour.
The demand for
mobile services by individual users and business users are as
follows:
Individual
users QI=
9000-100PI
Business
users QB=6000-50PB
where QI
and QB are, respectively, total calling hours made by
individual users and business users; PI and...
11) Cellular Access? Inc., is a cellular telephone service provider that reported net operating profit after...
11)
Cellular Access? Inc., is a cellular telephone service provider
that reported net operating profit after tax? (NOPAT) of $241
million for the most recent fiscal year. The firm had depreciation
expenses of $102 million, capital expenditures of $220 million, and
no interest expenses. Working capital increased by $13 million.
Calculate the free cash flow for Cellular Access for the most
recent fiscal year. The free cash flow is $ --- million. ? (Round
to the nearest? integer.)
12)
A...
The cellular phone market is a huge market, but it's a new one. For the time...
The cellular phone market is a huge market, but it's a new one.
For the time being, there are few established rules for the
production and advertisement of cell phones. ClairLinx Wireless, a
start-up cell phone company, is trying to decide if it should
market specific phone service plans to specific groups of
customers. ClairLinx divides its market of potential customers into
three major groups: single, working; married, working; and
retired.
ClairLinx surveyed 500 potential customers (chosen at random)
and...
A salesman for a new manufacturer of cellular phones claims not only that they cost the...
A salesman for a new manufacturer of cellular phones claims not
only that they cost the retailer less but also that the percentage
of defective cellular phones found among his products, ( p1), will
be no higher than the percentage of defectives found in a
competitor's line, ( p2 ). To test this statement, the retailer
took a random sample of 135 of the salesman's cellular phones and
175 of the competitor's cellular phones. The retailer found that 14
of...
A friend or yours is considering two cell phone service providers. Provider A charges $100 per...
A friend of yours is considering two cell phone service providers. Provider A charges $100 per month for the service regardless of the number of phone calls made. Provider B does not have a fixed service ree but instead charges $1 per minute for calls. Your friend's monthly demand for minutes or calling is given by the equation p-120-30P, where P is the price of a minute.
With Provider A, the cost of an extra minute is 5 _______ .with...
A mobile phone service provider has three different subscription packages for its customers: Package A: For...
A mobile phone service provider has three different subscription
packages for its customers:
Package A: For $39.99 per month 450 minutes are
provided. Additional minutes are
$0.45 per minute.
Package B: For $59.99 per month 900 minutes are
provided. Additional minutes are
$0.40 per minute.
Package C: For $69.99 per month unlimited
minutes provided.
Write a program that calculates a customer’s monthly bill. It
should ask which package
the customer has purchased and how many minutes were used. It
should...
A customer service phone line claims that the wait times before a call is answered by...
A customer service phone line claims that the wait times before
a call is answered by a service representative is less than 3.3
minutes. In a random sample of 62 calls, the average wait time
before a representative answers is 3.26 minutes. The population
standard deviation is assumed to be 0.14 minutes. Can the claim be
supported at α=0.08?
No, since test statistic is not in the rejection region defined
by the critical value, reject the null. The claim is...
A customer service phone line claims that the wait times before a call is answered by...
A customer service phone line claims that the wait times before
a call is answered by a service representative is less than 3.3
minutes. In a random sample of 62 calls, the average wait time
before a representative answers is 3.24 minutes. The population
standard deviation is assumed to be 0.40 minutes. Can the claim be
supported at α=0.08?
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- An investor is considering purchasing a Treasury bond with a 20 year maturity, an 8% coupon...
- Write a program that copies the contents of one file to a destination file. This program...
- how to conduct a marketing mix for 3d crest white strips
- Is big data analytics used for service innovation at Amazon? If so, please write a brief...
- A shrink-fit process has been used to enhance the pressure carrying capacity of a cylinder. During...
- Ten-year zero coupon bonds issued by the U.S. Treasury have a face value of $1,000 and...
- The Blossom Department of Transportation has issued 25-year bonds that make semiannual coupon payments at a...
ADVERTISEMENT