Review-Conditional Probability and Compound Events

In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student has a brother given that they do not have a sister? Write your answer as a fraction

Tags

CCSS.HSS.CP.B.6

In a class of students, the following data table summarizes how many students play an instrument or a sport. What is the probability that a student plays a sport given that they play an instrument? Write your answer as a fraction

Tags

CCSS.HSS.CP.B.6

In a math class with 19 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 14 students who completed the assignment. There were 6 students who passed the test and completed the assignment. What is the probability that a student passed the test? Write your answer as a fraction.

Tags

CCSS.HSS.CP.B.7

The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the CORRECT Sample Space List of possible combinations?

• TW, CW, PW
• TW, TM, TC, CW, PW
• TW, TM, CW, CM, PW, PM
• TCP, MW

Tags

CCSS.7.SP.C.8B

The following table represents the highest educational attainment of all adult residents in a certain town. If an adult age 50 & over is chosen randomly from the town, what is the probability that they only have a high school degree? Write your answer as a fraction

Tags

CCSS.HSS.CP.A.4

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

• 1/9

• 3/9

• 3/6

• 5/6

In a math class with 19 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 14 students who completed the assignment. There were 6 students who passed the test and completed the assignment. What is the probability that a student passed the test? Write your answer as a fraction.

Tags

CCSS.HSS.CP.B.7

In a math class with 19 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 14 students who completed the assignment. There were 6 students who passed the test and completed the assignment. What is the probability that a randomly selected student passed the test but did not complete the assignment? Write your answer as a fraction.

Tags

CCSS.HSS.CP.B.7

In a class 22 of students, 15 are upperclassmen and 9 have an A in the class. There are 7 students who are upperclassman and do not have an A in the class. What is the probability that a student is an upperclassman and they have an A? Write your answer as a fraction.

In a class 20 of students, 13 have a brother and 5 have a sister. There are 2 students who have a brother and a sister. What is the probability that a student chosen randomly from the class does not have a brother? Write your answer as a fraction.

Tags

CCSS.HSS.CP.B.7