Q.

The probability that a person will get an electric contract is 25 and the probability that he will not get plumbingcontract is 47.If the probability of getting at least one contract is 23,  the probability that he will get both the contracts is k , then 105k is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

answer is 17.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

P(E)=25;P(F)=P( plumbing )=1−47=37P(E∪F)=P(E)+P(F)−P(E∩F)23=25+37−k⇒k=17105
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon