SOLUTION: 28​% of a certain​ country's voters think that it is too easy to vote in their country. You randomly select 12 likely voters. Find the probability that the number of

Algebra ->  Probability-and-statistics -> SOLUTION: 28​% of a certain​ country's voters think that it is too easy to vote in their country. You randomly select 12 likely voters. Find the probability that the number of       Log On


   



Question 1110577: 28​%
of a certain​ country's voters think that it is too easy to vote in their country. You randomly select 12 likely voters. Find the probability that the number of likely voters who think that it is too easy to vote is​ (a) exactly​ three, (b) at least​ four, (c) less than eight.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%28X%29=C%2812%2CX%29%2A%280.28%29%5EX%2A%281-0.28%29%5E%2812-X%29
.
.
.
.
.
.
.
a)P%28X=3%29=0.217
.
.
b)
P%28X%3E=4%29=0.592
.
.
c)
P%28X%3C8%29=0.983