Probability Contingency Table

Suppose that a member of the US Senate is randomly selected. Given that the randomly selected senator is up for reelection in November 2016, what is the probability that this senator is a Democrat?

(write your answer as a fraction in the simplest form, use / e.g. 2/3

Find the probability that his shirt number is from 1 to 33.

(write your answer as a fraction in the simplest form, use / e.g. 2/3

The events “Republican” and “Up for reelection in 2016” are ________

• mutually exclusive.

• independent.

• both mutually exclusive and independent.

• neither mutually exclusive nor independent.

Find the probability that he weighs at most 210 pounds.

(write your answer as a fraction in the simplest form, use / e.g. 2/3

Tags

CCSS.HSS.IC.B.4

CCSS.HSS.IC.A.1

CCSS.HSS.MD.A.3

Find the probability that his shirt number is from 1 to 33 AND he weighs at most 210 pounds. (write your answer as a fraction in the simplest form, use / e.g. 2/3

Find the probability that his shirt number is from 1 to 33 OR he weighs at most 210 pounds. (write your answer as a fraction in the simplest form, use / e.g. 2/3

Find the probability that his shirt number is from 1 to 33 GIVEN that he weighs at most 210 pounds.

(write your answer as a fraction in the simplest form, use / e.g. 2/3

How many students are in 8th grade and like History?

• 36

• 45

• 81

• 298

What proportion of people that were against increasing in speed limit where between the ages of 20-34?

• 38/243

• 38/814

• 38/202

• 243/814

What proportion of students like basketball?

• 72/342

• 36/198

• 36/144

• 36/72