« previous next »

Author Question: If x is a normal random variable with = 50 and = 6, then the probability that x is not between 44 ... (Read 16 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Jul 25, 2018
If x is a normal random variable with  = 50 and  = 6, then the probability that x is not between 44 and 56 is
 
  A) 0.6826. B) 0.3413. C) 0.8413. D) 0.3174.

Question 2

The alternative hypothesis can never contain an equal sign.
 
  Indicate whether the statement is true or false


jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 25, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Summation of Heart Sounds, Normal S2 Summation of Heart Sounds, Normal S2
Normal bone versus bone with osteoporosis. Normal bone versus bone with osteoporosis.
Normal artery versus plaque formation Normal artery versus plaque formation
Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern. Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern.
An endoscopic view of the colon of someone who carries the normal alleles for the APC gene An endoscopic view of the colon of someone who carries the normal alleles for the APC gene
Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri
Video: Language Areas Animation

For a complete list of videos, visit our video library