MCQ
The probability of a certain event is:
- A$0$
- ✓$1$
- C$\frac{1}{2}$
- DNo existent.
✓
Answer
Correct option: B.
$1$
Given: 4 options of probability of some events
To Find: Which of the given options is the probability of sure event?
We know that, probability of a certain event is 1.
Hence the correct answer is option b.
To Find: Which of the given options is the probability of sure event?
We know that, probability of a certain event is 1.
Hence the correct answer is option b.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The marks obtained by $9$ students in Mathematics are $\{59, 46, 31, 23, 27, 44, 52, 40\}$ and $29$. The mean of the data is :
→If $\sin\theta-\cos\theta=0,$ then the value of $\sin^4\theta+\cos^4\theta$ is:
→Consider the frequency distribution of the heights of 60 students of a class:
The sum of the lower limit of the modal class and the upper limit of the median class is:
| Height (in cm) | No. of Students | Cumulative Frequency |
| 150-155 | 16 | 16 |
| 155-160 | 12 | 28 |
| 160-165 | 9 | 37 |
| 165-170 | 7 | 44 |
| 170-175 | 10 | 54 |
| 175-180 | 6 | 60 |
The value of $\frac{\cos^320^\circ-\cos^370^\circ}{\sin^370^\circ-\sin^320^\circ}$ is :
→If $\cot \theta=\frac{1}{\sqrt{3}}$, then the value of $\frac{1-\cos ^2 \theta}{2-\sin ^2 \theta}$ is
→If the product of two zeros of the polynomial $f(x)=2 x^3+6 x^2-4 x+9$ is $3,$ then its third zero is:
→Mark the correct alternative in the following:
The number of terms of the $A.P. 3, 7, 11, 15, .....$ to be taken so that the sum is $406$ is:
→The number of terms of the $A.P. 3, 7, 11, 15, .....$ to be taken so that the sum is $406$ is:
Degree of the polynomial $2 x^4+3 x^3-5 x^2+9 x+1$ is :
→The curved surface area of a right circular cone of height 15cm and base diameter 16cm is:
The number of solutions for two linear equations representing parallel lines is/are
