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P(Sandals|Pants):

• 4/20
• 6/15
• 1/2
• 2/7

P(Pizza|Senior):

• 10/15
• 4/5
• 2/3
• 10/5

A science teacher gave her class two tests. 25% of the class passed both tests and 42% of the class passed the first test. What percent of those who passed the first test also passed the second?

• 59.5%

• 10.5%

• 1.6%

• Not enough information

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(orange and green)

• 1/15

• 2/15

• 3/31

• 1/5

A box contains 3 black pens, 7 blue pens, and 5 red pens. Without looking, P(red or black)

• 8/15
• 15/225
• 5/15
• 3/15

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

Which of the following shows how to determine P(shaded number or number less than five)?

• 4/8 + 4/8 - 2/8
• 4/9 + 2/8 - 4/8
• 4/8 + 6/8 + 2/8
• 2/8 + 4/8 - 4/8

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

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

A die was rolled repeatedly. The table display the frequency of each possible outcome from this experiment. What is the relative frequency of rolling a 3?

• 19

• 1/6

• 3/19

• 19/100