Question

a number is selected at random from each of the sets {2,3,4} and {1,3,5} find the probability that the sum of the two numbers is greater than 3 and less than 7?​

Answer 1

Answer:

Answer : 1/5  

Solution :

Probability = No. Of Favourable outcomes / No. of Expected Outcomes  

No. Of Favourable outcomes : 4 { (2,14), (3,13),(4,12), (5,11)  

Total number of outcomes : 4×5 = 20  

There P( sum = 16 ) = 4/20 = 1/5

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