Question

The standard deviation of 2000 hours was calculated as 300 hours. Calculate the probability of being more than 2100 hours ?, less than 1900 hours. If a customer who bought the bulbs claims that the light bulbs last for 1800 hours and would like the bulbs to be replaced, what would your decision be? Please explain doing the necessary calculations.

Answer #1

A company makes
batteries with an average life span of 300 hours with a standard
deviation of 75 hours. Assuming the distribution is approximated by
a normal curve fine the probability that the battery will
last:(give 4 decimal places for each answer)
a. Less than 250
hours
b. Between 225 and 375
hours
c. More than 400
hours

1. The number of hot dogs sold per game at one concession stand
at a baseball park is normally distributed with μ = 23,750 and σ =
108. You select 16 games at random, and the mean number of hot dogs
sold, top enclose x, is denoted. Find the probability that the mean
number of hot dogs sold for a random sample of 16 games will be
less than 23,700 hotdogs. Round your answers to four decimal
places.
2. The...

Q1. [5 pts] Suppose that Z follows a standard normal. Calculate
the probability that:
a)Z is less than 1.25.
b)Z is greater than 1.75.
c)Z is between 1.25 and 1.75.
d)Z is between -1.25 and 1.75.
e)X is between 85 and 105, where X follows a normal with mean of
100 and SD of 10.Note: Write probabilities as decimals and to the
four decimal places (e.g., 0.2538).
Q2. What is the value of z such that:a)the probability of a
standard...

Shine-Ola Premium Bulbs: the Pricing
Decision
Voll Taik, the marketing manager for a new lighting start-up was
very interested in the concept of Value-Based pricing. He was
wondering how he might apply the concept to a situation facing his
company "Shine-Ola".
The new product, "Shine-Ola Premium Bulb", was a LED (Light
Emitting Diode) technology and was dramatically better than
competing lighting solutions available on the market. Competing
solutions included standard incandescent bulbs and compact
fluorescent lighting, (CFL).
Extensive laboratory testing...

Case Study 4: Zappos
Tony Hsieh’s first entrepreneurial effort began at the age of 12
when he started his own custom button business. Realizing the
importance of advertising, Hsieh began marketing his business to
other kids through directories, and soon his profits soared to a
few hundred dollars a month. Throughout his adolescence, Hsieh
started several businesses, and by the time he was in college he
was making money selling pizzas out of his Harvard dorm room.
Another entrepreneurial student,...

a. In the following news report about a survey for collecting
public views on land use of Hong Kong, is Dr Victor Zheng Wan-tai a
“relevant knower” of the issue? Explain your answer.
b. The headline of the news uses the word “useless” to describe
public’s views towards the land use survey. Suggest TWO OTHER VIEWS
of the public also found in the report.
c. Examine the news article to look for TWO areas where Framing
might have been applied....

Muffler Magic*
Muffler Magic is a fast-growing chain of 25 automobile service
centers in Nevada. Originally started 20 years ago as a muffler
repair shop by Ronald Brown, the chain expanded rapidly to new
locations, and as it did so Muffler Magic also expanded the
services it provided, from muffler replacement to oil changes,
brake jobs, and engine repair. Today, one can bring an automobile
to a Muffler Magic shop for basically any type of service, from
tires to mufflers...

Write a Python 3 program called “parse.py” using the
template for a Python program that we covered in this module.
Note: Use this mod7.txt input file.
Name your output file “output.txt”.
Build your program using a main function and at least
one other function.
Give your input and output file names as command line
arguments.
Your program will read the input file, and will output
the following information to the output file as well as printing it
to the screen:...

Read the case study. Identify three (3) problems and
recommendations to solve the problems. Each problem will require a
justified recommended solution at least a page each. Zappos CEO
Asks Employees to Commit to Teal, or Leave Zappos had modest
beginnings. In 1999, shoesite.com was started by Nick Swinmurn to
capture online shoe sales. Swinmurn reached out to Tony Hsieh
(pronounced “shay”) and Alfred Lin, who were running Venture Frogs,
a kind of venture capital group, for advice and funding....

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INNOVATION
Deep Change: How Operational Innovation Can Transform Your
Company
by
Michael Hammer
From the April 2004 Issue
Save
Share
8.95
In 1991, Progressive Insurance, an automobile insurer based in
Mayfield Village, Ohio, had approximately $1.3 billion in sales. By
2002, that figure had grown to $9.5 billion. What fashionable
strategies did Progressive employ to achieve sevenfold growth in
just over a decade? Was it positioned in a high-growth industry?
Hardly. Auto insurance is a mature, 100-year-old industry...

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