Probability Using Two Way Table

What is the probability a randomly selected student is male?

• 12/100

• 17/100

• 44/100

• 56/100

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 earned a passing grade?

• 20/100

• 35/100

• 65/100

• 87/100

What is the probability that a randomly selected employee is a chief?

• 1/100

• 2/100

• 1/33

• 1/67

Given the employee is a chief, what is the probability the employee is male?

• 1/100

• 1/33

• 1/2

• 1/67

Given the employee is a female, what is the probability of the employee being a chief?

• 1/2

• 1/33

• 1/67

• 1/100

What is the probability a randomly selected student has no license?

• 20/60

• 32/120

• 20/32

• 20/59

A spinner with the numbers 1 to 8 is used to produce the following two-way table. Using the table to find the of spinning a number that is not a 2.

• 0.875

• 0.4375

• 0.125

• 0.5625

A spinner with the numbers 1 to 8 is used to produce the following two-way table. Are spinning a 2 and spinning an odd number mutually exclusive?

• Yes

• No

A spinner with the numbers 1 to 8 is used to produce the following two-way table. Find the probability of spinning a 2 or spinning an odd number.

• 0.5625

• 0.125

• 0

• 0.4375

A spinner with the numbers 1 to 8 is used to produce the following two-way table. Using the table to find the conditional probability of spinning a 2 given that the spin is an even number.

• 0.22

• 0.25

• 0.125

• 0.5625