mayamcmillan11
29.11.2021 •
Mathematics
Determine what Descartes’ Rule of Signs says about the number of positive and negative real roots for the polynomial function.
P (x) = x^2+5x+6
A. no positive real roots; two or no negative real roots
B. two or no positive real roots; no negative real roots
C. no positive real roots; no negative real roots
D. two positive real roots; no negative real roots
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Ответ:
A probability always lies bewteen 0 and 1. So, option B is not even a probability.
As for the others, probability 0 means that the even't cannot happen, whereas probability 1 means that event is certain. So, the bigger the number, the greater the probability (as one may expect).
Since 0.09 < 0.12 < 0.89, the greatest number represents the event that is more likely to occur.