Question 73
A fair coin is tossed repeatedly. If head appears on the first four tosses, then the probability of appearance of tail on the fifth toss is
Solution
Probability of head=1/2
Because coin have only two chances tails or head.
And the statement that tails come 4 times will not affect the fifth toss.
So the probability of getting head=$$\frac{1}{2}$$
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