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Vilka [71]
3 years ago
5

The probability of event A is x, and the probability of event B is y. If the two events are independent, which of these conditio

ns must be true?

Mathematics
1 answer:
Inga [223]3 years ago
5 0

Answer:

P(B|A)=y

Step-by-step explanation:

The complete question is shown in the attachment.

If the events, A and B are independent, then

P(A and B) = P(A)×P(B)

But from the question:

P(A)=x and P(B)=y

This implies that:

P(A and B) = xy

Also, the conditional probabilities are:

P(A\B)=P(A)=x

P(B\A)=P(B)=y

Therefore the correct answer is A

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A sandwich store charges a delivery fee to bring lunch to an office.

Delivery cost - D

Meatball sandwich cost  - M

One office pays $40.50 for 5 meatball sandwiches.

40.50 = 5M + D

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66.50 = 9M + D

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