一位老师对8个学生的作业成绩进行猜测。如果教师猜对的可能性为1/3,且规定教师只有猜对95%才算这个教师有一定的评判能力。那么,这个教师至少要猜对学生成绩的个数为( ) -题库考试答案搜索网

一位老师对8个学生的作业成绩进行猜测。如果教师猜对的可能性为1/3,且规定教师只有猜对95%才算这个教师有一定的评判能力。那么,这个教师至少要猜对学生成绩的个数为( )

单选题

2021-09-02 13:57

A、4
B、5
C、6
D、7

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正确答案

B

试题解析

标签：青书学堂许昌学院小学教育(专升本) 教育测量与评价黑龙江省教育学院教育学（函授）专升本教育测量学平时作业1

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