This topic contains a solution. Click here to go to the answer

Author Question: The incomes of scientists working for Global Research are normally distributed with a mean of 38,500 ... (Read 49 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
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
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
:D TYSM


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

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

For a complete list of videos, visit our video library