A statistics student interviews everyone in his apartment ...

[mydiamond]

A statistics student interviews everyone in his apartment building to determine who owns a cell phone. What sampling technique is used?
 
  A) convenience
  B) simple random
  C) cluster
  D) systematic
  E) stratified

Question 2

A history professor finds that when he schedules an office hour at the 10:30 a.m. time slot, an average of three students arrive. Use the Poisson distribution to find the probability that in a randomly selected office hour in the 10:30 a.m.
 
  time slot exactly seven students will arrive. A) 0.0216 B) 0.0004 C) 0.0034 D) 0.0001

[Sassygurl126]

Answer to Question 1

A

Answer to Question 2

A