If an integer q be chosen at random in the interval \[-10\le q\le 10,\] then the probability that the roots of the equation \[{{x}^{2}}+qx+\frac{3q}{4}+1=0\] are real is

If an integer q be chosen at random in the interval \[-10\le q\le 10,\

1.	If an integer q be chosen at random in the interval \[-10\le q\le 10,\] then the probability that the roots of the equation \[{{x}^{2}}+qx+\frac{3q}{4}+1=0\] are real is
A.	\[\frac{2}{3}\]
B.	\[\frac{15}{21}\]
C.	\[\frac{16}{21}\]
D.	\[\frac{17}{21}\]
Answer» E.

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If an integer q be chosen at random in the interval \[-10\le q\le 10,\] then the probability that the roots of the equation \[{{x}^{2}}+qx+\frac{3q}{4}+1=0\] are real is

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