SOLUTION: Three out of four people think most advertising seeks to persuade people to buy things they don't need or can't afford. The probability that exactly 5 out of 9 randomly selected pe

Question 1181895: Three out of four people think most advertising seeks to persuade people to buy things they don't need or can't afford. The probability that exactly 5 out of 9 randomly selected people will agree with this statement is

Answer by ikleyn(52905) (Show Source): You can put this solution on YOUR website!
.


It is the binomial type probability distribution problem.


The number of trials n= 9; the probability of the success trial is   = 0.75,  and the number of success trials k = 5. 


    P =  =  = 0.116798 = 0.1168 (rounded) = 11.68%.     ANSWER

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To see many other similar (and different) solved problems, look into the lessons
- Simple and simplest probability problems on Binomial distribution
- Typical binomial distribution probability problems
in this site.

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