首页
登录
职称英语
The probability that event A occurs is 0.6 and the probability that event B occu
The probability that event A occurs is 0.6 and the probability that event B occu
游客
2025-02-23
28
管理
问题
The probability that event A occurs is 0.6 and the probability that event B occurs is 0.5. What is the greatest value of the probability that events A and B both not occur?
选项
A、0.2
B、0.5
C、0.4
D、0.3
E、0.1
答案
C
解析
A事件发生概率是0.6,B事件发生概率是0.5,AB都不发生的概率许多考生经常会习惯性地认为是(1-0.6)×(1-0.5)=0.3,其实不然,因为题目中没有告诉你这两个事件是独立事件。A不发生的概率是(1-0.6)=0.4,B不发生的概率是(1-0.5)=0.5,AB都不发生概率的最大可能值为A不发生的概率和B不发生的概率中的较小的一个,即0.4。
转载请注明原文地址:https://tihaiku.com/zcyy/3969366.html
相关试题推荐
TheprobabilitythateventAoccursis0.6andtheprobabilitythateventBoccu
Ifacouplegivebirthtoonlyonechildatatimeandtheprobabilityofthech
Select4peoplefrom3boysand3girls.Whatistheprobabilityoftwoboysand
A、Theprobabilityishigheriftheimpactproducesacraterlargerthanthreeki
PeriodicrealignmentoftheEarth’smagneticfieldoccurstwoways:t
PeriodicrealignmentoftheEarth’smagneticfieldoccurstwoways:t
PeriodicrealignmentoftheEarth’smagneticfieldoccurstwoways:t
PeriodicrealignmentoftheEarth’smagneticfieldoccurstwoways:t
Sleepactuallyoccurs(i)______thoughonemayreceivecluessignalingits(ii)__
Sincemostifnotalllearningoccursthrough______,relatingoneobservationt
随机试题
ThesalesfigureshaveincreasedsomuchthattheCEOhasdecidedtogivespecia
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
[originaltext]W:Jack,becarefulplease.Thisistheseventhpenboughtforyou.
求解微分方程:
男,16岁,左大腿肿痛2个月余,x线摄片示左股骨下端溶骨性破坏,边界模糊,可见"
无机结合料稳定材料试件养生后应作废的情况有()。A.养生期间试件边角有明显缺损
证券公司申请融资融券业务资格,经营证券经纪业务已满()年。A.1 B.2
血胸穿刺抽血的部位常在A.伤侧锁骨中线第2肋间 B.腋前线第2~3肋间 C.
关于远期利率的说法,正确的有()。A.买卖双方不需要交换本金 B.卖方为
肺结核概述
最新回复
(
0
)