Conditional Probability from a Table

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

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

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 or that they play an instrument? Write your answer as a fraction

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

The following table represents the highest educational attainment of all adult residents in a certain town. If a resident who has a master's degree is chosen at random, what is the probability that they age 20-29? Write your answer as a fraction

The following table represents the highest educational attainment of all adult residents in a certain town. If a resident is chosen at random, what is the probability that they are age 40 or above? Write your answer as a fraction