Mathematics
Senior High
(2)の解き方を教えてください
131 確率変数 Zが標準正規分布N(0, 1)に従うとき,次の確率を求めよ。
(P(0≤Z≤2)
=0.4772.
(2) P(Z≥2.4)
(3) P-2≤2≤1)
(PCOS) + P(09251)
= 0.4772+0.3413
=0.8185
0.4772
0.3413
0.8185
→教 p.79
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