The table shows the number of each type of book found at an ...

[dakota nelson]

The table shows the number of each type of book found at an online auction site during a recent search. Suppose that Juanita randomly chose one book to bid on and then noted its type.
 
  Type of Book Number
  Children's 51,033
  Fiction 141,114
  Nonfiction 253,074
  Educational 67,252
 
  a. List the sample points for this experiment.
  b. Find the probability of each sample point.
  c. What is the probability that the book was nonfiction or educational?

Question 2

In an exit poll, 45 of voters said that the main issue affecting their choices of candidates was the economy, 35 said national security, and the remaining 20 were not sure.
 
  Suppose we select one of the voters who participated in the exit poll at random and ask for the main issue affecting his or her choices of candidates.
 
  a. List the sample points for this experiment.
  b. Assign reasonable probabilities to the sample points.
  c. Find the probability that the main issue affecting his or her choices was either the economy or national security.

[johnpizzaz]

Answer to Question 1

a. children's, fiction, nonfiction, educational
b.
Type of Book Probability
Children's .10
Fiction .28
Nonfiction .49
Educational .13

c. P(nonfiction) + P(educational) = .49 + .13 = .62

Answer to Question 2

a. economy, national security, not sure
b. P(economy) = .45, P(national security) = .35, P(not sure) = .20
c. P(economy) + P(national security) =.45 + .35 =.80