This topic contains a solution. Click here to go to the answer

Author Question: Two events that are independent cannot be mutually exclusive. a. True b. False Indicate whether ... (Read 157 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
Two events that are independent cannot be mutually exclusive.
 a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Last school year, the student body of a local university consisted of 30 freshmen, 24 sophomores, 26 juniors, and 20 seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. Freshmen 83 Sophomores 68 Juniors 85 Seniors 64 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. The expected frequency of seniors is
 a. 60
  b. 20
  c. 68
  d. 64



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

FALSE

Answer to Question 2

A




penguins

  • Member
  • Posts: 903
Reply 2 on: Jun 24, 2018
Excellent


kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

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

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

For a complete list of videos, visit our video library