Author Question: What is the standard deviation of the number of trainees that will still be employed at the end of ... (Read 70 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
What is the standard deviation of the number of trainees that will still be employed at the end of nine months?
 
  A) 0.540
  B) 0.240
  C) 0.735
  D) 0.490

Question 2

The purchasing agent for a municipality has contracted with a local car dealer to purchase four cars. The dealer has 25 cars on his lot; 10 red, 7 blue, 6 white, and 2 purple.
 
  If the purchasing agent has no control over the colors he receives, what is the probability that he receives at least one of the purple cars?A) 0.33
  B) 0.30
  C) 0.36
  D) 0.39



wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

For a complete list of videos, visit our video library