Given a group of students: Allen (A), Brenda (B), Chad (C), ...

[bobypop]

Given a group of students: Allen (A), Brenda (B), Chad (C), Dorothy (D), and Eric (E), list all of the possible samples (without replacement) of size four that can be obtained from the group.
 
  A) A,B,C,D
  B) A,B,C,D A,B,C,E A,C,D,E A,D,E,B B,C,D,E B,C,E,A B,D,E,A
  C,A,B,D C,E,D,B D,A,C,E
  C) A,B,C,D A,B,C,E A,C,D,E A,D,E,B
  D) A,B,C,D A,B,C,E A,C,D,E A,D,E,B B,C,D,E

Question 2

The age distribution of students at a community college is given below.
 
  Age (years) Number of students (f)
  Under 21 4946
  21-25 4808
  26-30 2673
  31-35 2036
  Over 35 525
 
  A student from the community college is selected at random. The event A is defined as follows.
 
  A = event the student is between 26 and 35 inclusive.
 
  Describe the event (not A) in words.
  A) The event the student is over 35 B) The event the student is under 26 and over 35
  C) The event the student is at most 26 or at least 35 D) The event the student is under 26 or over 35

[blakcmamba]

Answer to Question 1

D

Answer to Question 2

D

[bobypop]

Gracias!

[peter]

Excellent