Homework 6.4

Which of the following shows how to determine P(diamond or face card)?

• 13/52 + 12/52 - 3/52
• 3/52 + 13/52 -12/52
• 3/52 + 12/52 - 13/52
• 1/13 + 3/52 - 1/4

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3
• 1/3
• 1/2
• 1/6

Find the probability of drawing a Jack or a King from a standard deck of 52 cards.

• 8/13

• 6/13

• 4/13

• 2/13

The enrollment at Southburg High School is 1400.  Suppose 550 students take French, 700 take algebra, and 400 take both French and algebra.  What is the probability that a student selected randomly takes French or algebra?

• 1250/1400
• 700/1400
• 550/1400
• 17/28

In a room with 28 people, there are 5 women wearing red and 7 wearing blue, and there are 6 men wearing red and 10 men wearing purple. What is the probability of randomly picking one person who is either wearing red or is a male?

A box contains 15 red balls, 15 green balls, 15 black balls, 3 silver balls and 2 gold balls. What is the probability that if a person would be able to draw at random a silver or gold ball from the box?