Question

82. What is the probability of getting exactly 2 head in 7 tosses of a fair coin?
(a) 5/64
(b) 7/64
(c) 7/128
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Answer 1

Answer:

(c) 7/128

Step-by-step explanation:

The total no of outcomes will be 2^7 = 128, since the coin is tossed 7 times.

So the only option available in the list is (c)