MCA Entrance Previous Year Question Bank

Which of the following statements is not true?

Let X be a random variable having distribution function F(x), then which of the following statements may not be true?

A discrete random variable follows Poisson distribution with parameter 3. The value of E(x – 6)² is:

Number of arbitrary constants in the equation of a cone is:

The following system of equations: 2𝑥₁+𝑥₂−𝑥₃=2 3𝑥₁ + 2𝑥₂ + 𝑥₃ = 3 has

Condition that the plane $lx+my+nz=p$ should touch the ellipsoid $\frac{x^2}{a^2}+\frac{y^2}{b^2}+\frac{z^2}{c^2}=1$ is:

In simple random sampling without replacement, the probability that a specified unit of the population will be included in the sample: (Here n denotes sample size & N denotes populatior size)

The equation yz + zx + xy = 0 represents:

Simpson's one-third Rule for evaluation of ${\int }_a^{b}f(x)dx$ requires the interval $[a,b]$ to be divided into:

The Newton-Raphson method converges fast, if f'(a) is: (a is the exact value of the root)