Probability

Which of the following will correctly complete the following statement. Probability, when written as a fraction, will . . .

• never be equal to zero

• sometimes be greater than 1

• always be from 0 to 1

• will never be equal to 1

When rolling a regular 6-sided cube one time, what are the possible outcomes?

• 0, 1, 2, 3, 4, 5, 6

• 1, 6

• 1, 2, 3, 4, 5, 6

• 2, 4, 6

What is the definition of the complement of a probability of an event happening?

• there is no such thing as the complement of probability

• the same as the probability of the event happening

• double the probability of the event happening

• the probability of the event not happening

A box has 3 limes, 5 grapes, and 2 oranges.

P (NOT lime)

• 3/10

• 30%

• 7/10

• Answer Not Here

Determine the probability of the following even occuring: You flip a fair coin and the coin will land heads up.

• 0

• 1/4

• 1/2

• 1

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

find the probability of choosing a student at random that plays an instrument OR a sport

• 1/2
• 13/20
• 21/20
• 4/5

The table above displays the 100 senators of the 112th U.S Congress on January 5, 2011, classified by political party affiliation and gender. A senator is selected at random from this group. Compute the following probability: The senator is a Democrat or a female.

• .42

• .56

• .47

• .53

Which of the following shows how to determine P(packers or male)?

• 75/150 + 90/150 - 50/150
• 75/150 + 35/150 - 25/150
• 50/150 + 40/150 + 25/150
• 90/150 + 50/150 - 75/150