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๊ธฐ๋Œ“๊ฐ’ ๊ณ„์‚ฐ๊ธฐ

ํ™•๋ฅ ๋ถ„ํฌ์˜ ๊ธฐ๋Œ“๊ฐ’, ๋ถ„์‚ฐ, ํ‘œ์ค€ํŽธ์ฐจ๋ฅผ ๊ณ„์‚ฐํ•ฉ๋‹ˆ๋‹ค

E[X] = 2.3

Var(X) = 4.41 ยท SD(X) = 2.1

๊ธฐ๋Œ“๊ฐ’ E[X] = ฮฃxแตขpแตข์ด๋ฉฐ ์ž…๋ ฅ ํ™•๋ฅ ์˜ ํ•ฉ์ด 1์ธ์ง€ ๊ฒ€์‚ฌํ•ฉ๋‹ˆ๋‹ค.

ํ™•๋ฅ ์€ ์ง€์ •ํ•œ ๋ชจํ˜•๊ณผ ์ž…๋ ฅ ๊ฐ€์ •์—๋งŒ ์ ์šฉ๋ฉ๋‹ˆ๋‹ค. ์‚ฌ๊ฑด์„ ๊ฒฐํ•ฉํ•  ๋•Œ๋Š” ๋…๋ฆฝ์ด๋ผ๊ณ  ๋ช…์‹œํ•œ ๊ฒฝ์šฐ์—๋งŒ ๊ณฑ์…ˆ ๊ทœ์น™์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

๊ธฐ๋Œ“๊ฐ’ ๊ณ„์‚ฐ๊ธฐ - GetUtilBox