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There are 3 categories of students in a class of 60 students A.very hard working B.regular but not so hardworking C.careless and irregular It's known that 10 students are in categoroy A 30 in categoroy B and rest in categoroy C.It is also found that probability of students of categories A unable to get good mark in final exam is 0.002 of categories B is 0.02 and of categories C is 0.20 Assume that a student selected at random was found to be the one who could not get good marks in the exam then the probability that this student is either of categories A or of categories B

Posted by Rosemary Thomas 3 years, 8 months ago

CBSE > Class 12 > Mathematics

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This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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Posted by Tumngam Karbak 4 months, 2 weeks ago

CBSE > Class 12 > Mathematics

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Posted by Charu Baid 4 months ago

CBSE > Class 12 > Mathematics

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Posted by Neemisha Gusain 4 months, 2 weeks ago

CBSE > Class 12 > Mathematics

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