TS EAMCET · Maths · Probability
When two dice are rolled, let be the probability of getting a sum of the numbers appear on the dice is at most . Let be the probability of getting a sum at least once when a pair of dice are rolled times. In order to have the minimum is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
S=1,1...1,62,1...2,6...6,1...6,6, Fav. outcomes =1,1...1,52,1...2,4....5,1 x=1536=512 ...i, y=1-56n ⇒y>x ⇒1-56n>512 ⇒56n<712 So minimum value should be n=3
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