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 9 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 :)

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Turning cell phones into basic research tools with apps Turning cell phones into basic research tools with apps
During my research in India, I interviewed this 8-year-old girl. Mahashury is a bonded laborer who ... During my research in India, I interviewed this 8-year-old girl. Mahashury is a bonded laborer who ...
Working and Living and Playing in the City Dump of Phnom Penh, Cambodia Working and Living and Playing in the City Dump of Phnom Penh, Cambodia
Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ... Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ...
Wind, solar, biomass, and geothermal power account for less than 1% of global power generation Wind, solar, biomass, and geothermal power account for less than 1% of global power generation
Human Geography: Places and Regions in Global Context Human Geography: Places and Regions in Global Context
Video: Energy Flow - Trophic Levels and Food

For a complete list of videos, visit our video library