SOLUTION: A biologist studying the germination rate of a seed finds that 90% of the seeds of a given type germinate. If she has a box of 10 seeds, what is the probability that exactly 6 of t

Question 395666: A biologist studying the germination rate of a seed finds that 90% of the seeds of a given type germinate. If she has a box of 10 seeds, what is the probability that exactly 6 of the seeds germinate?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi





Note: The probability of x successes in n trials is: 

P = nCx*  where p and q are the probabilities of success and failure respectively. 

In this case p =.9 and q = .1

nCx = 

P(out of 10, exactly 6 will germinate) = 210(.9)^6(.1)^4 =  .0112 

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