3.152 If Y has moment generating function $m(t) = e^{6(e^t - 1)}$, what is $P(|Y - \mu| \le 2\sigma)$?
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This is the moment generating function of a Poisson distribution with parameter $\lambda = 6$. Show more…
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Refer to Example $3.23 .$ If $Y$ has moment-generating function $m(t)=e^{b\left(e^{-1}\right)},$ what is $P(|Y-\mu| \leq 2 \sigma) ?$
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