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valentina_108 [34]
2 years ago
11

In a restaurant, the probability that a customer orders steak is 4/10. The probability of the same customer ordering dessert aft

er their meal is ¼. What is the probability that a random restaurant customer will order dessert given that they ordered steak?
A. 1/10

B. 2/8

C. 4/10

D. 5/8
Mathematics
1 answer:
joja [24]2 years ago
7 0
The answer is D. 5/8.
You have to divide the second event by the first event, so you have to divide 1/4 by 4/10.
You can just put that into your calculator and get 5/8, or you can multiply 1/4 by the reciprocal of 4/10, which is 10/4.
1/4 times 10/4 equals 5/8, therefore, the answer is 5/8.
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Step-by-step explanation:

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B = {3, 4, 6, 7}

C = {0, 5, 8, 9}

A U B U C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }

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Step-by-step explanation:

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