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A fair die is tossed eight times. The pr...

A fair die is tossed eight times. The probability that a third six is observed in eight throw is a. `(\ ^7C_2xx5^5)/(6^7)` b. `(\ ^7C_2xx5^5)/(6^8)` c. `(\ ^7C_2xx5^5)/(6^6)` d. none of these

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