Author Question: The probability of an intersection of two events is computed using the _____. a. addition law b. ... (Read 67 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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

For a complete list of videos, visit our video library