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Using simplex method solve the following L.P.P
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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In an experiment on immunization of cattle from Tuberculosis the following result were obtained
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Test the hypothesis that the die is unbiased.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Test at 5% level of significance.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Can it be concluded that the injection will be in general accompanied by an increase in blood pressure ?
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Can the samples be considered to have been drawn from the same population ?
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Do you think that the data provides enough reasons to support investigators feeling at 5% LOS ?
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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A certain drug administered to 12 patients resulted in the following change pressure.5, 2,8, -1,3, 0,6, -2 ,1, 5, 0 ,4. Can we conclude that the drug increases the blood pressure.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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A machine is set to produce metal plates of thickness 1.5 cms with S.D. of 0.2 cms .
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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The average of marks scored by 32 boys is 72 with standard deviation 8 while that of 36 girls is70 with standard deviation 6.Test at 1% level of significance whether the boys perform better than girls
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Can it be concluded that average life span of an Indian is more than 70 years ,if a random sample of 100 indians has an average life span of 71.8 years with standard deviation of 7.8 years.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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A random sample of 50 items gives the mean 6.2 and S.D.10.24 .Can it be regarded as drawn from a population with mean 5.4 at 5% level of significance.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Fit a Binomial distribution
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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If X is Binomial distributed with mean 2 and variance 4/3 ,find the probability distribution of X.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Find mean and variance.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Find A and B.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Find m,n and variance
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Find k and then E(X)
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Let X be a continuous random variable with probability distribution P(x)
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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The probability mass function of a random X is zero except at the points X=0,1,2 .
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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If $A=\begin{bmatrix}1&0\\ 2&4\end {bmatrix}$ then find the eigen values of $4A^{-1}+ 3A + 21$
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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Find the eigen values of $A^2 +2I$ ,where $A = \begin{bmatrix} \ 1 & 0 & 0 \\ \ 2 & -2 & 0 \\ \ 3 & 5 & 3 \\ \end{bmatrix}$ , where I is the identity matrix of order 3.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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State Cayley-Hamilton theorem & verify the same for $A=\begin{bmatrix}1&3\\2&2\end{bmatrix}$
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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If $A = \begin{bmatrix} \ -1 & 2 & 3 \\ \ 0 & 3 & 5 \\ \ 0 & 0 & -2\\ \end{bmatrix}$. Find the eigen values of $A^3 +5A +8I$.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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If $A = \begin {bmatrix} \ x & 4x\\ \ 2 & y \\ \end{bmatrix}$ has eigen values 5 &-1 ,then find values of x& y.
engineering mathematics updated 5.7 years ago by teamques10 ★ 70k
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