AP Stats Basic Probability

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Probability can be expressed as a number between_____ and _____.

• 0 and 100

• 0 and 10

• 0 and 1

• -1 and 1

P(Pizza ∩ Water) =

• 62/182

• 120/400

• 58/400

• 140/400

At a California college, 19% of the students speak Spanish, 7% speak French, and 4% speak both languages.  A student is chosen at random from the college.  What is the probability that the student speaks Spanish if she speaks French?

• 0.220

• 0.211

• 0.040

• 0.571

• A

• B

• C

• D

• E

Is this a probability distribution?

• No

• Yes

Is this a probability distribution?

• No, the sum of p(x) does not equal 1.

• Yes, all p(x) are between 0 and 1.

• No, all p(x) are not between 0 and 1.

• Yes, the sum p(x) is 1.

The probability of what:

• P(A∪B)

• Probability of the complement of A

• P(A^C)

• Probability of A

• P(A)

• Probability of A and B

• P(A|B)

• Probability of A or B

• P(A∩B)

• Probability of A given B

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A

• B

• A'

• B'