Author Question: It has been alleged that 40 percent of all college students favor Dell computers. If this were true, ... (Read 115 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
It has been alleged that 40 percent of all college students favor Dell computers. If this were true, and we took a random sample of 50 students, the binomial probability table for cumulative values of x available in your text, would reveal which of the following probabilities?
 a. The probability of 10 or fewer students in favor is .586.
  b. The probability of fewer than 20 students in favor is 1.000.
  c. The probability of more than 15 students in favor is .013.
  d. All of these.
  e. None of these.

Question 2

Like the variance and standard deviation, the covariance of a single set of bivariate data is always positive.
  Indicate whether the statement is true or false



jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

D

Answer to Question 2

F



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

For a complete list of videos, visit our video library