
クイズde統計(数学B)
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
慎太朗 岡田
Used 14+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
公正なコインを2回投げて、
表が2回出たら200点
表が1回出たら100点
表が出なかったら0点
とする。期待値を求めよ。
200
150
100
50
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
次のうち、誤ったことを述べているものはどれ? (解答は1つ)
とりうる値のおのおのに対してその値をとる確率が定まるような変数を確率変数という。
事象の結果を
試行という。
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
確率変数Xの確率分布は左の表となっている。
E(X)を求めよ。
2
2.5
3
3.5
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
確率変数Xの確率分布は左の表となっている。
分散V(X)を求めよ。
5
6
7
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
さいころを1回投げて出た目をXとする。
このXは確率変数となるが、「何型」であるか?
分離型
連続型
離散型
AB型
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
標準正規分布表はどれですか?
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