GATE CE 2020 Set 2 — Question 28
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Engineering Mathematics → Probability → Binomial Distribution
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Question
A fair (unbiased) coin is tossed 15 times. The probability of getting exactly 8 Heads (round off to three decimal places), is ___________.
Correct answer
0.19 to 0.2
Solution
This follows a binomial distribution .
Given:
(number of tosses)
(number of successes/heads)
(probability of head for a fair coin)
Rounding to three decimal places, the probability is 0.196.
Given:
(number of tosses)
(number of successes/heads)
(probability of head for a fair coin)
Rounding to three decimal places, the probability is 0.196.
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