A discrete random variable X is said to follow the Poisson distribution with parameter m 0 if its p.m.f. is given by P(X=x)= e^ -m m^x x , x=0,1,2, .

A discrete random variable X is said to follow the Poisson distri…

The derivative of a polynomial is polynomial.

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$\frac{\sum p_1}{\sum p_0} \times 100$ is the Price Index Number by Simple Aggregate Method.

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State whether the following statement is True or False:
If equation of regression lines are $3 x+2 y-26=0$ and $6 x+y-31=0$, then mean of $X$ is 7

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The sinking fund is set aside at the beginning of a business.

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$x^2 = 25$ is true statement.

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LPP is related to efficient use of limited resources

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The area bounded by the curve $y=f(x), X$-axis and lines $x=a$ and $x$ $= b$ is $\left|\int_a^b f(x) d x\right|$

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If $y=7 x+1$, then the rate of change of demand $(x)$ of a commodity with respect to its price $(y)$ is 7

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$
\int_0^{ a } 3 x^2 d x=27, \text { then } a =2.5
$

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$
\int_0^1 \frac{1}{2 x+5} d x=\log \left(\frac{7}{5}\right)
$

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