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

Author Question: If the coefficient of correlation is .90, then the coefficient of determination a. is also .90. b. ... (Read 105 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
If the coefficient of correlation is .90, then the coefficient of determination
 a. is also .90.
  b. is either .81 or -.81.
  c. will be -.90.
  d. must be .81.

Question 2

The time it takes a worker on an assembly line to complete a task is exponentially distributed with a mean of 8 minutes.
 a. What is the probability density function for the time it takes to complete the task?
  b. What is the probability that it will take a worker less than 4 minutes to complete the task?
  c. What is the probability that it will take a worker between 6 and 10 minutes to complete the task?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amit

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

d

Answer to Question 2

a. f(x) =(1/8 ) e-x/8 for x > 0
b. 0.3935
c. 0.1859




BRWH

  • Member
  • Posts: 553
Reply 2 on: Jun 24, 2018
Wow, this really help


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library