Suppose a basketball team had a season of games with the following characteristics:Of all the games, 60% were at-home games. Denote this by H (the remaining were away games).Of all the games, 25% were wins. Denote this by W (the remaining were losses).Of all the games, 20% were at-home wins.Of the at-home games, we are interested in finding what proportion were wins. Which of the following probabilities do you need to find in order to determine the proportion of at-home games that were wins? P(H) P(W) P(H and W) P(H | W) P(W | H)
Question
Suppose a basketball team had a season of games with the following characteristics:Of all the games, 60% were at-home games. Denote this by H (the remaining were away games).Of all the games, 25% were wins. Denote this by W (the remaining were losses).Of all the games, 20% were at-home wins.Of the at-home games, we are interested in finding what proportion were wins. Which of the following probabilities do you need to find in order to determine the proportion of at-home games that were wins? P(H) P(W) P(H and W) P(H | W) P(W | H)
Solution
To determine the proportion of at-home games that were wins, you need to find the probability P(W | H), which stands for the probability of a win given that the game was at home. This is because you are specifically interested in the proportion of wins among the at-home games.
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