If \( a \) is an integer lying in \( [-5,30] \), then the probability that the graph of \( y=x^{....

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If \( a \) is an integer lying in \( [-5,30] \), then the probability
\( \mathrm{P} \)
that the graph of \( y=x^{2}+2(a+4) x-5 a+64 \) is strictly above the \( x \)-axis is
W
(1) \( 1 / 6 \)
(2) \( 7 / 36 \)
(3) \( 2 / 9 \)
(4) \( 3 / 5 \)


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