Which of the following is not true about drawing a simple random ...

[madam-professor]

Which of the following is not true about drawing a simple random sample from a population?
 a. It protects against hidden or unknown biases.
  b. It gives each member of the population an equal chance of being selected.
  c. It requires that the population be represented by a list.
  d. It requires that the size of the sample be no more than 5 of the size of the population.

Question 2

According to a survey conducted by the Association for Dressings and Sauces (this is an actual association), 85 of American adults eat salad at least once a week, so that 15 of American adults eat no salad at all A nutritionist suspects that the percentage (of no-salad eaters) is wrong. She conducts a survey among a sample of adults in her area to test this idea. What sample size would be needed to provide a margin of error no larger than 2?

[Pamela.irrgang@yahoo.com]

Answer to Question 1

D

Answer to Question 2

n = 2500

[madam-professor]

Gracias!

[bulacsom]

TYSM