SOLUTION: It has been reported that 65 % of all internet users have been attacked by viruses. If 8 people are randomly surveyed, find the probability that exactly 5 have been attacked

Question 1147396: It has been reported that 65 % of all internet users have been attacked by viruses. If 8 people are randomly surveyed, find the probability that exactly 5 have been attacked
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
This would be 8C5 0.65^5 *0.35^3
=56*0.00497=0.2786 rounding at the end.
Answer by ikleyn(52905) (Show Source): You can put this solution on YOUR website!
.

Binomial distribution P = = = 0.2786. ANSWER

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