Answer: 0.51
Explanation:
Since A1 and A2 are independent so
P(A1 and A2) = P(A1)P(A2) = 0.3*0.3 = 0.09
By the addition rule, the probability that at least one leg tag is lost is
P(A1 or A2) = P(A1) + P(A2) - P(A1 and A2) = 0.3+0.3-0.09 = 0.51
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