Author Question: A probability distribution showing the probability of x successes in n trials, where the probability ... (Read 231 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
A probability distribution showing the probability of x successes in n trials, where the probability of success does not change from trial to trial, is termed a _____.
 a. uniform probability distribution
  b. binomial probability distribution
  c. hypergeometric probability distribution
  d. normal probability distribution

Question 2

Consider the following hypothesis test: H0:  = 10 Ha:   10 A sample of 81 provides a sample mean of 9.5 and a sample standard deviation of 1.8.
 a. Determine the standard error of the mean.
  b. Compute the value of the test statistic.
  c. Determine the p-value; and at the 5 level, test the above hypotheses.



brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

b

Answer to Question 2

a. .2
b. t = -2.5
c. p-value is between .01 and .02 (two-tailed test); reject H0



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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 human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library