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Solution - A Fair Coin is Tossed Five Times. Find the Probability that It Shows Exactly Three Times Head. - Conditional Probability

Question

A fair coin is tossed five times. Find the probability that it shows exactly three times head.

Solution

Let X be the radom variable.
let 'p' be the success and 'q' be the failure

p=1/2, q=1/2

p(Coin shows 3 heads)

=p(x=3)=5c3p3q2

= 10 (1/2)3(1/2)2

=10/32

=5/16

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APPEARS IN

2014-2015 (March)
Question 4.2.5 | 2 marks
Solution for question: A Fair Coin is Tossed Five Times. Find the Probability that It Shows Exactly Three Times Head. concept: Conditional Probability. For the courses HSC Arts, HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)
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