This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The incomes of scientists working for Global Research are normally distributed with a mean of 38,500 ... (Read 43 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
on: Jul 25, 2018
The incomes of scientists working for Global Research are normally distributed with a mean of 38,500 and a standard deviation of 5,250.
 
  a. What percentage of the scientists earn more than 46,375?
  b. What is the probability that a particular scientist earns between 29,575 and 47,425.

Question 2

Suppose that a normal random variable x has a mean  = -4.6 and a standard deviation  = 1.3. Find the z score corresponding to
 
  a. x = -8.175
  b. x = -2
  c. x = -4.99


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 25, 2018
Answer to Question 1

a. 6.68
b. .9108

Answer to Question 2

a. -2.75
b. 2
c. -.3


awywial

  • Member
  • Posts: 577
Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

The range of sugar maples could be reduced by global warming The range of sugar maples could be reduced by global warming
Older adults working Older adults working
Research Methods Research Methods
Working with the feet Working with the feet
The social movement that centers on the environment has become global. In all nations, people are ... The social movement that centers on the environment has become global. In all nations, people are ...
The OSHA global hazardous materials labels. The OSHA global hazardous materials labels.
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library