Join ExamsbookAnswer : 2. "1/9"
Two dice are rolled simultaneously. Find the probability of getting a total of 9.5
Q: Two dice are rolled simultaneously. Find the probability of getting a total of 9.
- 11/3false
- 21/9true
- 38/9false
- 49/10false
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Answer : 2. "1/9"
Explanation :
Answer: B) 1/9 Explanation: S = { (1, 1), (1, 2), (1, 3), (1, 4),(1, 5), (1, 6), (2, 1), (2, 2),.........(6, 5), (6, 6) } => n(S) = 6 x 6 = 36 E = {(6, 3), (5, 4), (4, 5), (3, 6) } => n(E) = 4 Therefore, P(E) = 4/36 = 1/9
Similar Questions
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.
