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 16 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
Thanks for the timely response, appreciate it

parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
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 ...
Students working in a group Students working in a group
Scientists should use a variety of media to present the message Scientists should use a variety of media to present the message
Global Earthquake Belts Global Earthquake Belts
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library