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BigorU [14]
3 years ago
8

All Seasons Plumbing has two service trucks that frequently need repair. If the probability the first truck is available is 0.75

, the probability the second truck is available is 0.50, and the probability that both trucks are available is 0.30. What is the probability neither truck is available
Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0

Answer: There is a probability of 0.05 that there is neither truck is available.

Step-by-step explanation:

Since we have given that

Probability that the first truck is available = 0.75

Probability that the second truck is available = 0.50

Probability that both trucks are available = 0.30

So, probability that either first truck or second truck is available is given by

P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\P(A\cup B)=0.75+0.50-0.30\\\\P(A\cup B)=0.95

We need to find the probability that neither truck is available.

so, P(A∪B)'=1-P(A∪B)

P(A\cup B)'=1-0.95=0.05

Hence, there is a probability of 0.05 that there is neither truck is available.

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