Probability Problems
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Need step by step answer to Q no. 2,3 and 7.
Please note for Q#3 that only the exponent of e is divided by 2b^2, not the entire numerator as it seems in question.
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Solution Summary
Calculation of covariance, marginal probability, expectation, probability density function, log normal distribution. The answers are given with interpretation of results.
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Answer
Since f(x) is a density function ,we have
Thus
Thus k/8=1
k=8
Mean is given by E(X)= =
= 0.443113
Where Erf(x) is the integral of the Gaussian ...
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