State the probability that the normal variable assumes a value in the interval ( - ; + ) of the normal distribution.

The probability that the normal variable assumes a value in the interval ( - ; + ) is 0.6826

State the probability that the normal variable assumes a value in…

State any one illustration of discrete random variable.

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Define : Perfect negative linear correlation

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Find $f^{\prime}(x)$ for the function $f(x)=21$.

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Write the formula of Paasche's index number.

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Which index number is used by Reserve Bank of India to control inflation?

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Express the following in modulus and interval form $: 0.4$ neighbourhood of $4$

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For a data to construct the index number of price, $ {∑p_1q_1} =240, {∑p_0q_0} = 120, {∑P_0q_1}=125.$ Find paasche’s index number.

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If $P(A)=0.6; P(B)=0.7$ and $P(A \cup B)=0.9$ then find the probability of difference event $A-B.$

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If the value of $n(n^2-1)$ is six times the value $\sum d^2$ then what is the value of $r\ ?$

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Express $N (50, 0.8)$ in modulus form.

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