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torisob [31]
2 years ago
9

find the probability of exactly two successes in five trials of a binomial experiment in which the probability of success is 50%

Mathematics
1 answer:
HACTEHA [7]2 years ago
6 0

ANSWER: 31.25%

Explaination:

Suppose (x+y)(x+y)^{5} is the binomial distribution with 5 trials. Given that, probability of exactly two success in five trials of a binomial experiment in which the probability of success is 50%.

So, x = 0.5 and y = 0.5

The term

5C2*x²*y³ representing 2 successes and 3 failures.

Now find the value of this term.

5C2*(0.5)²*(0.5)³ = \frac{5!}{2!3!}*(0.5)^{5}

=10*0.03125

= 31.25%

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