« previous next »

Author Question: The mean of the t distribution is _____. a. 0 b. .5 c. 1 d. dependent upon the sample ... (Read 67 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jun 24, 2018
The mean of the t distribution is _____.
 a. 0
  b. .5
  c. 1
  d. dependent upon the sample size

Question 2

Suppose x is a normally distributed random variable with a mean of 22 and a standard deviation of 5 . The probability that x is less than 9.7 is _____.
 a. 0
  b. .4931
  c. .0069
  d. .9931


Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Medesa

  • Hero Member
  • *****
  • Posts: 507
Reply #2 on: Jun 24, 2018
Thank you :)


Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

World map of the distribution of skin color. World map of the distribution of skin color.
Distribution of precipitation over the continents Distribution of precipitation over the continents
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
How the Distribution of Education Affects the Distribution of Income How the Distribution of Education Affects the Distribution of Income
Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont
Global Distribution of Biomes Global Distribution of Biomes
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library