Author Question: A probability distribution showing the probability of x successes in n trials, where the probability ... (Read 92 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?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library