Person A can hit a target times in attempts. Person B - times in four attempts. Person C - times in attempts. They fire a volley. The probability that the target is hit atleast two times is:

Explanation: Solution Step 1: Find individual probabilities of hitting ( ) and missing ( ) For Person A: , so For Person B: , so For Person C: , so Step 2: Define "At least two times" The target is hit at least two times if: Exactly two people hit. Exactly three people hit. Alternatively, we can use the complement: Step 3: Calculate the probabilities Probability of 0 hits: Probability of exactly 1 hit: A hits, B and C miss: B hits, A and C miss: C hits, A and B miss: Step 4: Final calculation Correct Option: 3.

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NIMCET 2013 — Mathematics PYQ

NIMCET | Mathematics | 2013

Person A can hit a target $4$ times in $5$ attempts. Person B - $3$ times in four attempts. Person C - $2$ times in $3$ attempts. They fire a volley. The probability that the target is hit atleast two times is:

NIMCET 2013 — Mathematics PYQ

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