Author Question: If x is normally distributed random variable with a mean of 8.20 and variance of 4.41, and that P(x ... (Read 86 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
If x is normally distributed random variable with a mean of 8.20 and variance of 4.41, and that P(x > b) = .08, then the value of b is:
 a. 11.161
  b. 3.409
  c. 3.448
  d. 3.452
  e. 8.418

Question 2

In a one-tail test for the population proportion, if the null hypothesis is not rejected when the alternative hypothesis is false, a Type II error is committed.
  Indicate whether the statement is true or false



todom5090

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

A

Answer to Question 2

F



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

For a complete list of videos, visit our video library