A standard 6-sided die is weighted so that the probabilitiesof rolling 2, 3, 4,

Question

A standard 6-sided die is weighted so that the probabilitiesof rolling 2, 3, 4, 5, or 6 are equal and the probability ofrolling 1 is twice the probability of rolling 2. If the die isthrown twice, what is the probability that the sum of the numbersthrown will be 4? Write your answer in fraction form. What is the probability of the sum being 4? A standard 6-sided die is weighted so that the probabilitiesof rolling 2, 3, 4, 5, or 6 are equal and the probability ofrolling 1 is twice the probability of rolling 2. If the die isthrown twice, what is the probability that the sum of the numbersthrown will be 4? Write your answer in fraction form. What is the probability of the sum being 4?

Explanation / Answer

So it's given that the probably of rolling a 1 is twice theprobability of rolling a 2. That means that there are 7possibilities. There is only 1 possibility of getting a 4 from 7choices. 1/7

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