Please Explain 2. If rolling two 6-sided dice, find the probability of obtaining a sum of 7. 2. If rolling two 6-sided dice, find the probability of obtaining a sum of 7.

Question

Question

2. If rolling two 6-sided dice, find the probability of obtaining a sum of 7.

Please Explain

Answer 1

Answer #1

Answer probability of getting a sum of 7 = 1/6

When two 6 sided dice or a dice are rolled the outcome is given in table :

2,2) |(23) (2, 2) (2,L) G.5 3, 3 1,2 2) (s 6,11 62) 61S

Total no of outcomes = 36

Let E₁ = event of getting a sum of 7

n(E₁)= (1,6),(2,5),(3,4),(4,3),(5,2),(6,1) = 6

P(E₁)= probability of getting a sum of 7

P(E₁) =number of outcomes /total number of outcomes

P(E₁) =6/36 =1/6

Answer 2

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