【予備知識不要】反復試行の確率が"必ず"マスターできる授業

Stardy -河野玄斗の神授業

Stardy -河野玄斗の神授業

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The probability of repeated trials should never be memorized as a formula!
In general, in mathematics (especially in college entrance exams), if you do not have at least a minimal background of the formula, you will be totally unprepared for problems other than those where you can apply the formula as is.
Make sure you have the theory down so that you can apply it to a variety of problems.