Mathematics, 30.07.2019 21:00 howardc1433
Let x ∼ bin(9, 0.4). find a. p(x > 6) b. p(x ≥ 2) c. p(2 ≤ x < 5) d. p(2 < x ≤ 5) e. p(x = 0) f. p(x = 7) g. μx h. σ2 x
Answers: 1
, recall that ![\mathbb E[X]=\mu_X=np](/tpl/images/0151/8969/34afa.png)
and ![\mathbb V[X]={\sigma_X}^2=np(1-p)](/tpl/images/0151/8969/3d06f.png)
. So
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Let x ∼ bin(9, 0.4). find a. p(x > 6) b. p(x ≥ 2) c. p(2 ≤ x < 5) d. p(2 < x ≤ 5) e. p(x...
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