Question

Which of the following events are disjoint? A) Choose a student at random from a statistics class. Event A is that the student is a junior. Event B is that the student is a senior. B.Choose a student at random from a statistics class. Event A is that the student is a psychology major. Event B is that the student is a statistics major. C.Choose a student at random from a statistics class. Event A is that the student is at least 5'8\" tall. Event B is that the student weighs at least 160 pounds.

Answer 1

The answer would be : A.) event A  is that the student is a junior. Event B is that the student is a senior
Disjoints refer to a condition Where the events cant be interlace with each other, no one from event A is exist in Event B. The member of junior year COULDN'T  be a member of senior year and vice versa

hope this helps

Answer 2

"Choose a student at random from a statistics class. Event A is that the student is a junior. Event B is that the student is a senior" is the event that is disjoint. The correct option among all the options that are given in the question is the first option or option "A". I hope it helps you.