Practice Probability Test

James, who plays on the high school basketball team, makes 85% of his free throws, on average.  Describe the experimental probability that he will make his next free throw attempt.

• Impossible

• Unlikely

• Equally Likely

• Likely

• Certain

If you randomly choose one of the tiles on the right, what is the probability that you will select an even number?

• 50%

• 60%

• 25%

• 12.5%

 Which expression describes the probability that you randomly select a 7 and then a 4 on two sequential selections, without replacement?  

• 1/12 * 1/11

• 1/10*1/9

• 7/12*4/12

• 7/12*4/11

Which expression describes the probability that you randomly select a 6 and then a 5 on two sequential selections, with replacement?

• 1/12*1/11

• 1/12*1/12

• 6/10*5/10

• 6/12*5/11

Imagine flipping a fair coin 3 times.  What is the probability of flipping tails all three times?

• 1/2

• 1/3

• 1/9

• 1/8

Coach Williams has 4 different pants, 6 Eastside shirts, and 2 pair of shoes that he can wear to school each day.  If he selects one of each item, how many different combinations of school clothes can he make?

• 24

• 48

• 64

• 12

Use the Venn diagram to determine  P(A or B).

• .9

• .7

• .2

• .5

Determine P(B/A)

• 1/2

• 1/3

• 1/6

• 1/5

How would you describe the events A and B in the Venn Diagram?

• Mutually Exclusive

• Overlapping

• Unobtrusive

• Ridiculous

So far this year, Steph Curry has made 92% of his free throw attempts.  What is the experimental probability that he will miss his next attempt?

• 8%

• 92%

• 50%

• .8%