Find the probability of getting a sum of 7 on the first toss of two dice and a sum of 4 on the second toss. Let A be the first event, getting a sum of 7.Let B be the second event, getting a sum of 4.

الحلّ

الحلّ

0

خطوات الحلّ

The probability of getting a sum of 7 on the first toss of 2 dice and the sum a sum of 4 on the second toss. is 0 since this never occurs.

= 0

أمثلة شائعة

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