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If the probabilities for A to fail in an examination are 0.2 and for B are 0.3, then the probability that either A or B fails is:

(a) > 0.5

(b) 0.5

(c) ≤ 0.5

(d) 0

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • P

    Answered by

    Payal Gupta | Contributor-Level 10

    2 months ago

    This is an Objective Type Questions as classified in NCERT Exemplar

    Given  that:           P(A  fails)=0.2                                    P(B  fails)=0.3∴        P(either  A  or  B  fails)≤P(A  fails)+P(B  fails)                                                              ≤0.2+0.3                                                              ≤0.5Hence,  the  correct  option  is  (c).

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