Asked by Anonymous

a pair of dice is thrown ...find the probability of getting 7 as the sum if it is knwn that second die is always exihibts a prime number
Answered by Knights
second die : 2,3,5

to get 7, must be 5,4,2

probability = likely outcomes / all outcomes

i think it is 1/2 - don't trust me not a reliable source
Answered by aditi
r s k v east vinod nagar

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