In probability samples, the probabilities of each element being ...

[rmenurse]

In probability samples, the probabilities of each element being included must be
 a. known.
  b. nonzero.
  c. equal.
  d. known and equal.
  e. known and nonzero.

Question 2

Which of the following behaviors and attitudes do not characterize Baby Boomers?
 a. They spend more time browsing the Internet than any other group.
  b. They are heavy users of financial services.
  c. Many are still in their peak earning years.
  d. They value groups and collectivism.
  e. They are sensitive to aging and many will buy cosmetics and other products to delay the aging process.

[Brummell1998]

Answer to Question 1

e

Answer to Question 2

D

[rmenurse]

Great answer, keep it coming

[raenoj]

Thanks for the timely response, appreciate it