Conditional Probability

Students were surveyed about their pet preferences. What is the probability of a student being a freshman and liking dogs best?

• 14/25

• 12/25

• 6/25

• 13/50

Mrs. DeHart asked her students if they studied for their test or not. What percentage of his class studied and passed the test?

• 56.7%

• 63.3%

• 89.5%

• 85.0%

Out of the sophomores who were surveyed about their favorite pets, what percentage liked cats best?

• 26%

• 18%

• 41%

• 36%

Maya asked students about their favorite ice cream flavor. What is the probability of being a junior and liking chocolate best?

• 0.33

• 0.65

• 0.57

• 0.58

Out of the freshmen, what is the probability of liking dogs best?

• 43%

• 24%

• 48%

• 56%

What percentage of students that studied for the test actually passed the test?

• 63.3%

• 89.5%

• 56.7%

• 85%

What is the probability of being a sophomore who likes dogs best?

• 14/25

• 16/25

• 8/25

• 4/7

What percentage of the class failed the test?

• 33.3%

• 63.3%

• 85%

• 52.6%

Out of the juniors, what is the probability of liking vanilla best?

• 13/20

• 7/20

• 7/13

• 7/40

What percentage of Mrs. DeHart's class studied for the test and failed

• 10.5%

• 20%

• 66.7%

• 6.7%