MCQ
If P(E) denotes the probability of an event E, then E is called certain event, if
  • A
    P(E) is either 0 or 1
  • B
    P(E) = 0
  • C
    P(E) = 1
  • D
    $P ( E )=\frac{1}{2}$Z

Answer

(c) P(E) = 1
Explanation: P(E) = 1

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The equation of the circle which touches the axes of coordinates and the line $\frac{\text{x}}{3}+\frac{\text{y}}{4}=1$ and whose centres lie in the first quadrant is $x^2 + y^2 − 2cx − 2cy + c^2 = 0,$ where $c$ is equal to:
The locus of the midpoints of the chord of the circle, $x^{2}+y^{2}=25$ which is tangent to the hyperbola $, \frac{ x ^{2}}{9}-\frac{ y ^{2}}{16}=1$ is
The ends of the latus rectum of the conic ${x^2} + 10x - 16y + 25 = 0$ are
If $\sin\theta=\frac{-4}{5}$ and $\theta$ lies in third quadrant then the value of $\cos\frac{\theta}{2}$ is:
Variable chords of the parabola  $y^2 = 4ax$  subtend a right angle at the vertex. Then :
If a secretary and a joint secretary are to be selected from acommittee of $11$ members, then in how many ways can they be selected:
If $a, b, c$ are digits, then the rotational number represeneted by $0.cababab ........ $is :-
The value of $ \displaystyle \lim _{ \text{x}\rightarrow \text{a} }{ \frac { \sqrt { \text{x-b} } -\sqrt {\text{ a-b} } }{ { \text{x} }^{ 2 }-{ \text{a} }^{ 2 } } } ​​\text{(a > b)}:$
Let $f(x)=\lim _{n \rightarrow \infty}\left(\frac{n^n(x+n)\left(x+\frac{n}{2}\right) \cdots\left(x+\frac{n}{n}\right)}{n!\left(x^2+n^2\right)\left(x^2+\frac{n^2}{4}\right) \cdots\left(x^2+\frac{n^2}{n^2}\right)}\right)^{\frac{x}{n}}$, for all $x>0$. Then

($A$) $f\left(\frac{1}{2}\right) \geq f(1)$

($B$) $f\left(\frac{1}{3}\right) \leq f\left(\frac{2}{3}\right)$

($C$) $f^{\prime}(2) \leq 0$

($D$) $\frac{f^{\prime}(3)}{f(3)} \geq \frac{f^{\prime}(2)}{f(2)}$

Number of solution$(s)$ of the equation $ln(1 + sin^2x) = 1 -ln(5 + x^2)$ is -