Probability Using Two Way Table

The colour of the cars in a school car park is recorded and shown in the table pictured. Based on this sample what is the probability that a randomly chosen car is purple?

• 5/50

• 3

• 3/100

• 10/100

A spinner is spun and then a fair coin is tossed. The experiment was repeated a number of times. Below are the results.

red, heads = 4 times

red, tails = 3 times

blue, heads = 5 times

blue, tails = 3 times

What is the probability the result will be red, tails the next time the experiment is repeated?

• one-fifth

• three-tenths

• two-fifteens

• one-third

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

What is the probability a randomly selected student got an A or B for the semester?

• 15/100

• 20/100

• 35/100

• 65/100

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

Given that the grade is an A, what is the probability of the student being female?

• 8/20

• 12/20

• 8/44

• 12/56

The question “Do you play soccer?” was asked of 110 students. Results are shown in the table.

Given a student is female, what is the probability the student plays soccer?

• 12/54

• 42/54

• 12/35

• 42/75

What is the probability that a student plays sports given that they do community service?

Of the times when the forecast called for rain, what is the percentage that it actually rained?

• About 90%

• About 50%

• About 70%

• About 80%

What percent of people who bought no food purchased water?

• 14.3%

• 33.3%

• 5%

• 41.1%

What is the probability that a randomly selected student plays sports and does not participate in community service?

• .4444

• .3333

• .1484

• .3

The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.

Given that the grade is a B, what is the probability of the student being male?

• 6/15

• 9/15

• 6/56

• 9/44