9. The probability that a particular species of plant survives the winter is 0.7. Charlotte has...

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9. The probability that a particular species of plant survives the winter is 0.7. Charlotte has 22 plants of this species. Wh

math Statistics-And-Probability

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Answer 1

Answer #1

Given that probability of success p = 0.7

Number of plants n = 22

By using binomial distribution we can find the probability that more than 17 plants will survive.

P( X> 17) = 1-p(X≤17)

= 1- binom.dist(17, 22,0.7,1)

(by using Excel function = binom.dist(x,n,p,1))

=1- 0.8355

= 0.1645

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Answer 2

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