5.5: Probability with Two-Way Tables

What is the probability that a randomly selected student is in 7th grade? Round to the nearest percent.

• 26%

• 14%

• 16%

• 47%

What is the probability that a randomly selected student is a girl? Round to the nearest percent.

• 45%

• 30%

• 46%

• 54%

What is the probability that a randomly selected student is an 8th grade boy? Round to the nearest percent.

• 2%

• 44%

• 46%

• 20%

What is the probability that a randomly selected student is a 7th grade girl? Round to the nearest percent.

• 54%

• 14%

• 26%

• 32%

What is the probability that a randomly selected student is a 6th grader given that they are a girl? Round to the nearest percent.

• 8%

• 16%

• 30%

• 53%

What is the probability that a randomly selected student is a boy given that they are in 7th grade? Round to the nearest percent.

• 12%

• 6%

• 26%

• 46%

Given that a randomly selected student is a boy, what is the probability that they are in 7th grade? Round to the nearest percent.

• 12%

• 6%

• 26%

• 46%

Given that a randomly selected student is a 7th grader, what is the probability that they are a girl? Round to the nearest percent

• 54%

• 26%

• 14%

• 36%

What is the probability that a randomly selected politician is a republican? Round to the nearest percent.

• 46%

• 54%

• 50%

• 99%

What is the probability that a randomly selected politician is a democrat that supports the issue? Round to the nearest percent.

• 2%

• 20%

• 24%

• 50%