
数学A 確率②
Authored by Takayuki Yokoi
Mathematics
9th - 12th Grade
Used 32+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
①
1枚の硬貨を5回投げるとき、表がちょうど3回出る確率を求めよ。
その他
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
②
赤球3個と白球2個が入っている袋から球を1個取り出して袋に戻す。これを3回繰り返すとき、赤球を2回以上取り出す確率を求めよ。
その他
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
③ア
1個のさいころを6回続けて投げる。
1回目から4回目までは偶数の目、5回目に3の倍数の目、6回目に1の目が出る確率を求めよ。
その他
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
③イ
1個のさいころを6回続けて投げる。
3の倍数の目がちょうど5回出る確率を求めよ。
その他
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
その他
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
その他
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
⑤ア【半角入力】
「3つの選択肢から正しいものを1つ選んで〇を付けよ」という形式の問題が6題出題されている。ただし、3つのうち正しい選択しはただ1つとする。
各問題でそれぞれでたらめに1つ選んで〇を付けた場合、6題中正解が2題である確率を求めよ。
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