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IIT JEE PROBABILITY A doctor is called to see a sick child. The doctor knows (prior to the visi...

216 views · Published 20 February 2018 · 4:09 · Indexed 22 September 2026

Channel: Doubtnut · 2018 · Education

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This is the Solution of question from Cengage Publication Math Book Algebra Chapter 6 PROBABILITY written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/3O7tObI6vR

A doctor is called to see a sick child. The doctor knows (prior to the
 visit) that 90% of the sick children in that neighbourhood are sick with the
 flu, denoted by `F ,`
while 10% are sick with the measles, denoted by `Mdot`
A well-known symptom of measles is a rash, denoted by R. The
 probability having a rash for a child sick with the measles is 0.95. however,
 occasionally children with the flu also develop a rash, with conditional
 probability 0.08. upon examination the child, the doctor finds a rash. The
 what is the probability that the child has the measles?
`91//165`
b. `90//163`
c. `82//161`
d. `95//167`

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