Question

For each of the following situations, explain why you think that
the events are equally likely or not. Explain your answers.
(a) The outcome of the next tennis match for Sloane Stevens is either a win or a loss. (You might
want to check the Internet for information about this tennis player.)
(b) You roll a fair die and get a 3 or a 4.
(c) You are observing turns at an intersection. You classify each turn as a right turn or a left turn.
(d) For college basketball games, you record the times that the home team wins and the number of
times that the home team loses.

Answer 1

(a) The outcome of the next tennis match for Sloane Stevens is either a win or a loss. (You might
want to check the Internet for information about this tennis player.)

- Not equally likely since her past performance may influence the result ( either good or bad )

(b) You roll a fair die and get a 3 or a 4

- Equally likely , both has probability 1/6

(c) You are observing turns at an intersection. You classify each turn as a right turn or a left turn

- Equally Likely, as there are only two options and either can be there

(d) For college basketball games, you record the times that the home team wins and the number of
times that the home team loses.

- Not equally likely since her past performance may influence the result ( either good or bad )