Which equation implies that A and B are independent events

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Which equation implies that A and B are independent events

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The first option is correct.

Step by step explanation:

Since we noticed that A and B are then two events,

According to “probability rule”:

But we have assumed that event A and B are two independent events.

such proceedings are independent proceedings unless one effect has an effect on the other.

so,

Hence, the first choice is right.