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For each part below, the probability density function (pdf) of X is given. Find the value to such that the cumulative distribution function (cdf)

For each part below, the probability density function (pdf) of X is given. Find the value to such that the cumulative distribution function (cdf) equals 0.9. Le. find zo such that Fx (zo) = 0.9. (a) The pdf is for some real number c. (b) The pdf is fx(x) = fx (x) for some real number A. cr if 0 0 otherwise

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