A sequence has the formula f(1)=4, f(4)= f(1) + f(n-1) for n>1.
1 answer:
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Option C:
Solution:
Sample space for two dice
Number of sample space = 36
Pair getting sum of 12 = (6, 6)
Number of pair getting sum of 12 = 1
Pair getting doublet = (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)
Number of pair getting doublet = 6
Total number of pair getting sum of 12 or doublet = 1 + 6 = 7
Probability of getting sum of 12 or doublet
Hence, is the probability of getting a sum of 12 or doublet when rolling a pair of dice.