If a student can solve 80% problems of a given
book and another student can solve 40% of
them. Find the probability that both of them will
solve a problem selected at random :
(a) 0.32
(b) 0.33 (c) 0.31 (d) 0.38
لے
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Answer:
(a) = 0.32
Step-by-step explanation:
For this , the required formula of probability is,
P( A intersection B)
Also these are independent events. So,
=> P(A intersection B) = P(A) ×P(B)
=> (80/100) × (40/100)
=> 3200/10000
=> 0.32 , this is the required answer .
Thank you.
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