Abiologist 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.
a. what is the probability that exactly 8 seeds will germinate? round your answer to the nearest thousandths.
b. what is the probability that at least 8 seeds will germinate? round your answer to the nearest thousandth.

(A) 0.800

(B) 1.000

Step-by-step explanation:

Probability is given by number of possible outcomes ÷ number of total outcomes

(A) Number of possible outcomes = 8, number of total outcomes = 10

Probability (exactly 8 seeds will germinate) = 8/10 = 0.800

(B) Probability (at least 8 seeds will germinate) means either 8 seeds will germinate or more than 8 seeds will germinate

Probability (more than 8 seeds will germinate) = 1 - 0.800 = 0.200

Probability (at least 8 seeds will germinate) = 0.800 + 0.200 = 1.000