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 48 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 :)

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Scientists (group photo) Scientists (group photo)
Global Stratification: Income of the World's Nations Global Stratification: Income of the World's Nations
Adding propane to the air inlet of an engine operating in closed loop with a working oxygen sensor ... Adding propane to the air inlet of an engine operating in closed loop with a working oxygen sensor ...
Research Report Evaluation Worksheet Research Report Evaluation Worksheet
Agriculture is responsible for as much as 15% of global greenhouse gas emissions Agriculture is responsible for as much as 15% of global greenhouse gas emissions
RESEARCH TECHNIQUE RESEARCH TECHNIQUE
Video: Digestive chemicals - types & enzymes

For a complete list of videos, visit our video library