Question 563400: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 80% of the seeds planted germinate. If we believe the manufacturer's assertion, what is the probability that at least 3 of the 9 seeds that were planted will germinate? Round your answer to four decimal places.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 80% of the seeds planted germinate. If we believe the manufacturer's assertion, what is the probability that at least 3 of the 9 seeds that were planted will germinate? Round your answer to four decimal places.
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Binomial Problem with n = 9 and p(germinate) = 0.8
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P(3<= x <=9)
= 1 - P(0<= x <=2)
= 1 - binomcdf(9,0.8,2)
= 0.9997
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Cheers,
Stan H.
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