Answer
Probability that a randomly selected cup contains grape juice given that the cup contains a star-shaped straw = (4/9)
Step-by-step explanation
The probability of an event is calculated as the number of elements in the event divided by the total number of elements in the sample space.
For this question, we need the probability that a randomly selected cup contains grape juice given that the cup contains a star-shaped straw
Total number of cups that contain a star-shaped straw = 4 + 5 = 9
Number of cups with star-shaped straw and also with grape juice = 4
Probability that a randomly selected cup contains grape juice given that the cup contains a star-shaped straw = (4/9)
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