1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
In a binomial distribution, the mean is $\dfrac{2}{3}$ and variance is $\dfrac{5}{9}$. What is the probability that random variable D = 2?
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If A and B are two events such that $\rm P(A)=\dfrac{3}{4} \:and\: P(B)=\dfrac{5}{8}$, then consider the following statements:
1. The minimum value of P(A ∪ B) is $\dfrac{3}{4}.$
2. The maximum value of P(A ∩ B) is $\dfrac{5}{8}.$
Which of the above statements is/are correct?
Questions Asked from Probability (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies