A die is thrown a fixed number of times....

A die is thrown a fixed number of times. If probability of getting even number 3 times is same as the probability of getting even number 4 times, then probability of getting even number exactly once is `1//6` b. `1//9` c. `5//36` d. `7//128`

`1//4`

`3//128`

`5//64`

`7//128`.

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