SOLUTION: A biologist is studying a new hybrid tomato. It is known that the seeds of this hybrid tomato have probability 0.70 of germinating. The biologist plants 10 seeds. 1. What is the

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Question 1023343: A biologist is studying a new hybrid tomato. It is known that the seeds of this hybrid tomato have probability 0.70 of germinating. The biologist plants 10 seeds.
1. What is the probability that exactly 8 seeds will germinate?
2. What is the probability that at least 8 seeds will germinate?Round your answer to the nearest thousandths
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%28X%29=C%2810%2CX%29%2A%280.7%29%5EX%2A%281-0.7%29%5E%2810-X%29
a) X=8
P%288%29=C%2810%2C8%29%2A%280.7%29%5E8%2A%280.3%29%5E2
P%288%29=45%2A%285764801%2F100000000%29%2A%289%2F100%29
P%288%29=2334744405%2F10000000000
.
.
.
b) P=P%288%29%2BP%289%29%2BP%2810%29
P%289%29=C%2810%2C9%29%2A%280.7%29%5E9%2A%280.3%29%5E1
P%289%29=10%2A%2840353607%2F10000000000%29%2A%283%2F10%29
P%289%29=121060821%2F1000000000
.
.
P%2810%29=C%2810%2C10%29%2A%280.7%29%5E10%2A%280.3%29%5E1
P%2810%29=1%2A%28282475249%2F10000000000%29%2A1

P=478478483%2F1250000000