Question: 8.13 The downtime per day for a certain computing facility averages 4.0 hours, with a standard deviation of 0.8 hour. P Aaq i=1Xi 7 aB

8.13 The downtime per day for a certain computing facility averages 4.0 hours, with a standard deviation of 0.8 hour.

P Aaq i=1Xi 7 aB = P(nX 7

a) = P(X 7 a>n)

a Find the probability that the average daily downtime for a period of 30 days is between 1 and 5 hours.

b Find the probability that the total downtime for the 30 days is less than 115 hours.

c What assumptions are necessary for the answers in parts

(a) and

(b) to be valid approximations?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Statistics For Engineers And Scientists Questions!

Q:

8.25 The downtime per day for a certain computing facility has averaged 4.0 hours for the last year. The standard deviation of downtimes of the last 20 failures is 0.8 hours. a Find the probability...

Q:

please answer completely, will upvote Agan Interior Design provides home and office decorating assistance to its customers. In normal operation, an average of 2.2.customers arrive each bour. One...

Q:

Set Student Name: 1. Describe the relationship between two variables that have a correlation coefficient value: a. Near -1 b. Near 0 c. Near 1 2. Data was collected where a weightlifter was asked to...

Q:

Instuctor's Annotated Edition TENTH EDITION Understandable Statistics Concepts and Methods Charles Henry Brase Regis University Corrinne Pellillo Brase Arapahoe Community College Australia Brazil...

Q:

BA 1605: Midterm Recap (Due: Feb. 27, 2015) Name _____________________________ 50 Student ID _____________________________ Section 01B 10:00~11:20 am Section 02B 01:00~02:20 pm [Questions 4 ~ 7] The...

Q:

Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...

Q:

Final Paper Instructions/Guidelines: The final paper must be a minimum of 5 pages and a maximum of 7 pages in APA format. You can find APA guidelines in the Week Six folder under final paper tips....

Q:

DSCI 2710 PRACTICE EXAM 2-A 1. One of the following statements is false and the other four are true. Identify the false statement. a. For two events, A and B, P(A and B) is equal to P(A)AP(B)...

Q:

A large national survey conducted in 1995 indicated that 18% of American adults had ever been tested for HIV at some point in their life. Suppose that in 2016 we take a simple random sample of 100...

Q:

Unit II Continuous Probability Distributions: The Normal Distribution Normal Dist1 Towards the Meaning of Continuous Probability Distribution Functions: When we introduced probabilities, we spoke of...

Q:

Jerome's will was created 30 years ago and provided for the distribution of his estate to his four children. Ted, Timothy, Tamara and Toby in equal shares per capita . Last year Jerome's youngest...

Q:

Construct a time-series plot of population growth for the state of New York from 2002 to the present.

Q:

A stock just paid dividend of 3$. The dividend is expected to grow at 8% forever, and the required rate of return is 14%. Based on the Gordon growth model, what is the value of the stock today? Group...

Q:

How many types of sampling plans are there? Briefly explain by giving examples.

Q:

36. An IQ test produces scores that are normally distributed with mean value 100 and standard deviation 14.2. The top 1 percent of all scores are in what range?

Q:

35. The height of adult women in the United States is normally distributed with mean 64.5 inches and standard deviation 2.4 inches. Find the probability that a randomly chosen woman is (a) less than...

Q:

34. The annual rainfall in Cincinnati is normally distributed with mean 40.14 inches and standard deviation 8.7 inches. (a) What is the probability this years rainfall will exceed 42 inches? (b) What...

Q:

5 (5 points) Create and adjusting trial balance after the mentioned adjsutment DR CR Cash Accounts recievable 615500 500,000 Office supplies Prepaid rent 60000 120,000 Desktop publishing 600,000...

Q:

Moving to another question will save this response. on 3 SC Corp. has an investment in 11,000 shares of XYZ Company ordinary shares with a cost of $330,000. These shares are used in a property...

Q:

Choose two of the terms/techniques listed below and for each one: 6. i) ii) iii) b) c) d) Explain the meaning of the term/technique; Drawing on your experience of management accounting, give two...