Eighty percent of customers at the snack counter of a movie theater buy drinks. Among those who buy​ drinks, 15​% also purchase popcorn.​ What's the probability that a customer at the counter buys a...

Eighty percent of customers at the snack counter of a movie theater buy drinks. Among those who buy​ drinks, 15​% also purchase popcorn.​ What's the probability that a customer at the counter buys a drink and​ popcorn? Theaters use this type of calculation to decide which products should be bundled to appeal to customers.

-show contingency table