« previous next »

Author Question: A community college has 150 person computers. The probability that any one of them will require ... (Read 29 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
A community college has 150 person computers. The probability that any one of them will require repair on a given day is 0.025 . To find the probability that exactly 25 of the computers will require repair, one will use what type of probability distribution?
 A. Binomial distribution
  B. Poisson distribution
  C. Normal distribution
  D. None of these choices.

Question 2

In a Poisson distribution, the:
 A. mean equals the standard deviation.
  B. median equals the standard deviation.
  C. mean equals the variance.
  D. None of these choices.


chinwesucks

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

Analysis:
A. Correct. This is the type of probability distribution one will use.
B. Incorrect. This is the type of probability distribution one will use.
C. Incorrect. This is the type of probability distribution one will use.
D. Incorrect. This is the type of probability distribution one will use.
ANSWER : A

Answer to Question 2

Analysis:
A. Incorrect. In a Poisson distribution, the mean equals the variance.
B. Incorrect. In a Poisson distribution, the mean equals the variance.
C. Correct. In a Poisson distribution, the mean equals the variance.
D. Incorrect. In a Poisson distribution, the mean equals the variance.
ANSWER : C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Using Probability Calculations in Genetics Using Probability Calculations in Genetics
Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care
Who Goes to College? Comparing Social Class and Ability in Determining College Attendance Who Goes to College? Comparing Social Class and Ability in Determining College Attendance
How Much Food Does the World Produce Per Person? How Much Food Does the World Produce Per Person?
How the Wernicke-Geschwind model works in a person who is responding to a heard question and reading ... How the Wernicke-Geschwind model works in a person who is responding to a heard question and reading ...
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Video: Blood Test Basics

For a complete list of videos, visit our video library