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歡迎您訪問(wèn)每日一練:某種產(chǎn)品10件,其中有2件次品,其余都是正品,今從!

每日一練:某種產(chǎn)品10件,其中有2件次品,其余都是正品,今從

更新時(shí)間:2024-01-12 12:56:47作者:貝語(yǔ)網(wǎng)校

某種產(chǎn)品10件,其中有2件次品,其余都是正品,今從中任取一件,抽到次品的可能性為

A.一定

B.不可能

C.可能性較大

D.可能性較小

試題答案

D

試題解析

讓次品的數(shù)量除以產(chǎn)品的總數(shù)目即可.

解答:抽到次品的可能性為=,可能性較小.故選D.

點(diǎn)評(píng):用到的知識(shí)點(diǎn)為:可能性=所求情況數(shù)與總情況數(shù)之比.

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