For any event $A$

  • A

    $P(A) + P(\bar A) = 0$

  • B

    $P(A) + P(\bar A) = 1$

  • C

    $P(A) > 1$

  • D

    $P(\bar A) < 1$

Similar Questions

Two dice are thrown. The events $A, B$ and $C$ are as follows:

$A:$ getting an even number on the first die.

$B:$ getting an odd number on the first die.

$C:$ getting the sum of the numbers on the dice $\leq 5$

Describe the events  $B$ and $C$

Two fair dice are tossed. Let $A$ be the event that the first die shows an even number and $B$ be the event that the second die shows an odd number. The two event $A$ and $B$ are

  • [IIT 1979]

‘$A$’ draws two cards with replacement from a pack of $52$ cards and ‘$B$' throws a pair of dice what is the chance that ‘$A$’ gets both cards of same suit and ‘$B$’ gets total of $6$

Three dice are thrown simultaneously. What is the probability of obtaining a total of $17$ or $18$

Let $\Omega$ be the sample space and $A \subseteq \Omega$ be an event. Given below are two statements :

$(S1)$ : If $P ( A )=0$, then $A =\phi$

$( S 2)$ : If $P ( A )=$, then $A =\Omega$

Then

  • [JEE MAIN 2023]