SOLUTION: Each day the probability that it will rain on a tropical island is seven out of eight days. What is the probability that it will rain exactly 6 out of eight days on the tropical is

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Question 1180096: Each day the probability that it will rain on a tropical island is seven out of eight days. What is the probability that it will rain exactly 6 out of eight days on the tropical island in question?
Answer by ikleyn(52864)   (Show Source): You can put this solution on YOUR website!
.

The post is worded in a  "bla-bla-bla"  style,  so I will start from reformulating it in a way as it should be pronounced. 

    Each day the probability that it will rain on a tropical island is  . 
    What is the probability that it will rain exactly 6 out of eight days on the tropical island in question?


                    Solution 


It is the binomial type probability distribution.


The number of trial n= 8; the probability of the success trial is  ,  and the number of success trial k = 6. 


    P =  =  = 0.1963 (rounded).     ANSWER

Solved.

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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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