Question

two fair dice are thrown one after the other and outcomes noted down what is the probability that the numbers appearing are co-prime ​

Answer 1

Answer:

Step-by-step explanation:

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Total outcomes =36

Probablity= 9/36

=1/4

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Answer 2

Answer=23/36

Step-by-step explanation:

total outcomes = 36

probability=number of favourable outcome/total number of possible outcome

Probability(co-prime number)

P {(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,3),(2,5),(3,1),(3,2),(3,4),(3,5),(4,1),(4,3),(4,5),(5,1),(5,2),(5,3),(5,4),(5,6),(6,1),(6,4),(6,5)}

=23/36

so,the probability of co-prime number is 23/36