that would be 1 - P(sausage & toast) = 1 - 25/100 = 3/4
Or, draw the grid and you include everything in either the bacon row or the pancakes column, which adds up to 75/100
One hundred people were surveyed about their breakfast preferences. They had to choose between French toast and pancakes and between sausage and bacon. The results are in the table below:
Category French Toast Pancakes
Sausage 25 21
Bacon 23 31
What is the probability that a randomly selected person prefers bacon or pancakes?
¾
53/50
¼
11/25
1 answer