SOLUTION: Of all the trees planted by a landscaping firm, 70% survive. What is the probability that 10 or more of the 12 trees they just planted will survive?

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Question 1098634: Of all the trees planted by a landscaping firm, 70% survive. What is the probability that 10 or more of the 12 trees they just planted will survive?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%28X%29=C%2812%2CX%29%2A%280.70%29%5EX%2A%280.30%29%5E%2812-X%29
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P=P%2810%29%2BP%2811%29%2BP%2812%29
P=0.16779%2B0.07118%2B0.01384
P=0.253