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30 March, 19:20

The probability of a certain event A occurring is 3:5, the probability of event B occurring is 2:5, and the probability of them occurring together is 6:25. What is true about the two events?

A. Event A is dependent on event B.

B. Event B is dependent on event A.

C. Events A and B are independent events.

D. Events A and B are mutually exclusive.

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Answers (1)
  1. 30 March, 22:19
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    To use proportions to solve ratio word problems, we need to follow these steps:

    Identify the known ratio and the unknown ratio.

    Set up the proportion.

    Cross-multiply and solve.

    Check the answer by plugging the result into the unknown ratio.
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