Author Question: What is the standard deviation of the number of trainees that will still be employed at the end of ... (Read 80 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?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library