A random variable X has the distribution law as given below: X 1 2 3 P(X=x) 0.3 0.4 0.3
The variance of the distribution is
| X | 1 | 2 | 3 |
| P(X=x) | 0.3 | 0.4 | 0.3 |
Previous 10 Questions — NIMCET 2013
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If x = a cos t, y = b sin t, then $\frac{d^{2}y}{dx^{2}}$ is
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The total number of numbers that can be formed using the digits 3,5 and 7
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The number if non –negative integers less than 1000 that contain the digit 1 are.
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In a $\Delta ABC$ , $(c+a+b)(a+b-c)=ab$ The measure of the angle C is.
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The value of $\tan\theta+2\tan2\theta + 4\tan4\theta + 8\cot8\theta$ is
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