SOLUTION: A poll is given, showing 60% are in favor of a new building project. If 5 people are chosen at random, what is the probability that exactly 3 of them favor the new building proj

Question 1180098: A poll is given, showing 60% are in favor of a new building project.
If 5 people are chosen at random, what is the probability that exactly 3 of them favor the new building project?
Answer by ikleyn(52814) (Show Source): You can put this solution on YOUR website!
.


It is the binomial type probability distribution.


The number of trial n= 5; the probability of the success trial is  0.6,  and the number of success trial k = 3. 


    P =  =  = 0.3456 (rounded).     ANSWER

Solved.

------------------

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.

//////////

Do not forget to post your "THANKS" to me for my teaching.

RELATED QUESTIONS
A poll is given, showing 55% are in favor of a new building project. If 6 people are... (answered by Fombitz)

A poll is given, showing 65% are in favor of a new building project. If 9 people are... (answered by Boreal)

A poll given showing 20% are in favor of a new building project. If 5 people are chosen... (answered by VFBundy)

A poll is given, showing 65% are in favor of a new building project. If 9 people are... (answered by stanbon)

A poll is given, showing 25% are in favor of a new building project. If 9 people are... (answered by Boreal)

Suppose that 30% of all voters prefer Candidate A. If 6 people are chosen at random... (answered by ikleyn,Edwin McCravy)

If a whole number less than 10 is chosen at random, what are the odds in favor of the... (answered by Fombitz)

A bag with 10 marbles is shown below. A marble is chosen from the bag at random. What (answered by Alan3354)

A bag with 8 marbles is shown below. A marble is chosen from the bag at random. What are (answered by richwmiller)