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NO LINKS!! Please help me with this probability question 2a​

NO LINKS!! Please help me with this probability question 2a​-example-1
User Kelly Orr
by
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1 Answer

2 votes

Answer: 50% (choice B)

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Work Shown:

A = he eats pizza

B = he drinks cola

P(A) = 0.40

P(B) = 0.60

P(A and B) = 0.30

Then apply the conditional probability formula.

P(A given B) = P(A and B)/P(B)

P(A given B) = 0.30/0.60

P(A given B) = 0.5 exactly

P(A given B) = 50%

If we know for certain he drinks cola, then there's a 50% chance of him eating pizza.

User Maverick Meerkat
by
8.1k points

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