80% of planted seeds will germinate. Suppose the manufacturer is correct. If 9 seeds planted with the fertilizer are randomly selected, what is the probability that fewer than 7 of them germinate?

P(A)=1-P(B)

P(B)=C(7,9)*0,8^7*0,2^2+C(8,9)*0,8^8*0,2+0,8^9=0.74

P(A)=0.26

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