The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 12. Find the mean for the number
1 answer:
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Answer:
-7
Step-by-step explanation:
You use the quadratic formula of to get:
a = 1
b = 7
c = -13
then you plug that into x= (-b ± √b²-4ac)/(2a) :
x= ( -7 ± √7²- 4(1)(-13) )/(2(1))
The sum of these two x values turns out to be:
See the picture below
