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dabeyba
Oct 12, 2009, 05:42 PM
in a survey conducted at local restaurant during breakfast hours, 20 people preferred orange juice, 16 preferred grapefruit juice, and 9 preferred apple juice with breakfast. If a person is selected at random, find the probability that he or she prefers grapefruit juice.

Perito
Oct 13, 2009, 03:14 PM
Total People = 20 + 16 + 9 = 45.

20/45 prefer orange juice

16/45 prefer grapefruit juice

9/45 prefer apple juice

So, what is the answer?