In a competition, two people will be selected from four finalists ...

[jho37]

In a competition, two people will be selected from four finalists to receive the first and second prizes. The prize winners will be selected by drawing names from a hat. The names of the four finalists are Jim, George, Helen, and Maggie.
 
  The possible outcomes can be represented as follows.
 
  JG JH JM GJ GH GM
  HJ HG HM MJ MG MH
 
  Here, for example, JG represents the outcome that Jim receives the first prize and George receives the second prize. The event A is defined as follows.
 
  A = event that Helen gets first prize
 
  List the outcomes that comprise the event (not A).
  A) JG, JH, JM, GJ, GH, GM, MJ, MG, MH B) JG, JH, JM, GJ, GH, GM, MJ
  C) JG, JM, GJ, GM, MJ, MG D) HJ, HG, HM

Question 2

An examination of the medical records of 10, 000 women showed that those who were short and fair skinned had a higher risk of osteoperosis.
 
  A) Designed experiment B) Observational study

[ricroger]

Answer to Question 1

A

Answer to Question 2

B

[jho37]

Excellent

[ttt030911]

Gracias!