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If `pa n dq` are chosen randomly from the set `{1,2,3,4,5,6,7,8,9, 10}` with replacement, determine the probability that the roots of the equation `x^2+p x+q=0` are real.

A

0.38

B

0.03

C

0.59

D

0.89

Text Solution

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The correct Answer is:
(c)
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Knowledge Check

  • If p and q are chosen randomly from the set {1, 2, 3, ………, 10} with replacement, then the probability that the roots of the equation x^(2)+px+q=0 are real is

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    A
    0.84
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    0.16
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    0.62
    D
    0.38

  • If two numbers p and q are choosen randomly from the set {1, 2, 3, 4} with replacement, then the probability that p^(2)ge4q is equal to

    A
    `(1)/(4)`
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