A fair unbiased coin was tossed four times in succession and resulted in the following outcomes (i) Head (ii) Head (iii) Head (iv) Head, The probability of obtaining a Tail when the coins is tossed again is

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1/2

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4/5

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1/3

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Solution

The correct option is B 1/2
Trials are independent of each other.
So required probability
$= \frac{1}{2}$

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A fair unbiased coin was tossed four times in succession and resulted in the following outcomes (i) Head (ii) Head (iii) Head (iv) Head, The probability of obtaining a Tail when the coins is tossed again is

The correct option is B 1/2Trials are independent of each other. So required probability =12

The correct option is B 1/2
Trials are independent of each other.
So required probability
$= \frac{1}{2}$