Identify the random variable as discrete or continuous in each of the following. Identify its range if it is discrete. A person on a high protein diet is interested in the weight gained in a week.

X : Gain in weight in a week. X takes infinite values ∴ X is a Continuous Random Variable.

Identify the random variable as discrete or continuous in each of…

$\text { A certain sum due } 3 \text { months hence is } \frac{21}{20} \text { of the present worth, what is the rate of interest. }$

→

Write the truth value of the negation of each of the following statements : London is in England.

→

Two sample from bivariate populations have 15 observation each. The sample means of X and Y are 25 and 18 respectively. The corresponding sum of square of deviations from respective means are 136 and 150. The sum of product of deviations from respective means is 123. Obtain the equation of line of regression of X on Y.

→

Find $\frac{d^2 y}{d x^2}$ if,
$
y=x^{-7}
$

→

Apply the given elementary transformation on each of the following matrices : $\left[\begin{array}{cc}3 & -4 \\ 2 & 2\end{array}\right], R_1 \leftrightarrow R_2$

→

Find the order and degree of the following differential equations:
$\left[\frac{d^3 y}{d x^3}+x\right]^{3 / 2}=\frac{d^2 y}{d x^2}$

→

State which of the following sentences are statements in logic : Do not come inside the room.

→

Write the truth values of the following statements : The Himalayas are the highest mountains but they are part of India in the northeast.

→

If $X \sim P\left(\frac{1}{2}\right)$, then find $P(X=3)$ given $e^{-0.5}=0.6065$.

→

Find k, if the following matrices are singular:$\left[\begin{array}{ccc}4 & 3 & 1 \\ 7 & K & 1 \\ 10 & 9 & 1\end{array}\right]$

→

Answer

Need a full question paper?

Explore more

Similar questions

Probability Distributions (p-2) — Maths (commerce) STD 12 Commerce / Arts — Question

Answer

Need a full question paper?

Explore more

Similar questions