# The average (mean) amount of time that a manager at the Mount Pleasant Department of Human Services …

1. MBB Problem 7.2 (modified)

The average (mean) amount of time that a manager at the Mount Pleasant Department of Human Services spends in the annual performance review with an employee is 27.2 minutes, with a standard deviation of 4.9 minutes (normal distribution).

(a) What percentage of the annual performance reviews in the department take between 22.3 and 32.1 minutes?

(b) Between 17.4 and 37 minutes?

(c) Between 12.5 and 41.9 minutes?

2. MBB Problem 7.6 (modified)

Refer to Problem 7.5 (which we covered in lecture).

MBB Problem 7.5
> • Parnelli Jones, a vehicle manager for the northeast region of the forestry service, is
> charged with purchasing automobiles for service use. Because forestry service
> employees often have to drive long distances in isolated regions, Parnelli is very
> concerned about gasoline mileage for the vehicle fleet. One automobile
> manufacturer has told him that the particular model of vehicle that interests him
> has averaged 27.3 miles per gallon in road tests with a standard deviation of 3.1
> (normal distribution). Parnelli would like to be able to tell his superiors at the
> forestry service that the cars will get at least 25 miles to the gallon. According to
> the road test data, what percentage of the cars can be expected to meet this
> criterion?
>
> • Parnelli also thinks that his superiors might settle for cars that got 24 miles to the
> gallon or better. What percentage of the cars can be expected to meet this
> criterion?
>

(a) During the negotiations with the automobile manufacturer, Parnelli gets a sinking feeling that some of the cars he is thinking of purchasing for the forestry service might average less than 20

miles to the gallon of gasoline. According to the road test data, what percentage of the cars can be expected to fall below this mileage level? Should Parnelli be very worried?

(b) Parnelli wants to be able to tell his superiors that at least 90% of cars purchased from this manufacturer will get a certain number of miles per gallon. Help him find the miles per gallon number that he can expect 90% of these cars to exceed.

Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

## Calculate the price of your order

Total price:
\$0.00

How it works?

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

## Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.