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All Seasons Plumbing has two service trucks that frequently break down. If the probability the first truck is available is 0.71, the probability the

All Seasons Plumbing has two service trucks that frequently break down. If the probability the first truck is available is 0.71, the probability the second truck is available is 0.55, and the probability that both trucks are available is 0.31: What is the probability neither truck is available? (Round the final answer to 2 decimal places.) Probability

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