Author Question: The probability of an intersection of two events is computed using the _____. a. addition law b. ... (Read 48 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
The probability of an intersection of two events is computed using the _____.
 a. addition law
  b. subtraction law
  c. multiplication law
  d. division law

Question 2

A researcher is interested in determining the average number of years of employee retention in a company. If past information shows a population standard deviation of 7 months, what sample size should be taken so that, at 95 confidence, the margin of error will be 2 months or less?



blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

c

Answer to Question 2

48



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

For a complete list of videos, visit our video library