The table below shows the distribution of a group of 40 college students by gender and class. If one student is randomly select

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问题 The table below shows the distribution of a group of 40 college students by gender and class.

If one student is randomly selected from this group, find the probability that the student chosen is
(a)not a junior
(b)a female or a sophomore
(c)a male sophomore or a female senior

选项

答案9/40

解析

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The table below shows the distribution of a group of 40 college students by gender and class. If one student is randomly select

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(77)Muchunfriendlyfeelingtowardscomputershasbeenbasedonthefearofwidespreadunemploymentresultingfromtheirintrodu

Morethan30,000driversandfrontseatpassengersarekilledorseriouslyinjuredeachyear.Atthespeedofonly30milesper

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SMS(ShortMessageService)graduallybecomesthemainserviceforcellphoneusersforitsgreatcharming.Inaddition,thedev

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