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  • A and B are two events where  and <img alt="\mathrm{P(B)=0.5}" sr

A and B are two events where \mathrm{P(A)=0.25} and \mathrm{P(B)=0.5}. The probability of both happening together is 0.14 . The probability of both A and B not happening is

Option: 1

0.39


Option: 2

0.25


Option: 3

0.11


Option: 4

None of these


Answers (1)

best_answer

\mathrm{P(\bar{A} \bar{B})=P(\overline{A \cup B})=1-P(A \cup B)=1-\{P(A)+P(B)-P(A \cap B)\}}

                                           =1-\{0.25+0.50-0.14\}=0.39

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Riya

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