Mathematics
Senior High
(1)〜(4)解き方教えてください🙏
294 正規分布 N (10, 52) に従う確率変数X について,次の等式が成り立つように,
定数αの値を定めよ。
*(1) P(10≦X≦a) = 0.4772
*(3) P(|X-10|≦a) = 0.8664
(2) P(X≧α)=0.0062
(4) P(X-10|≧α)=0.0278
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