3. When driving to Pippin's daycare I will go through two construction sites A and B. The probability I have to wait at site A is 0.9 and the probability I have to wait at site B is 0.75. Suppose the construction sites function independently of one another. (a) What is the probability that I have to wait at at least one of the two construction sites? (b) Given that I have to wait at at least one of the two construction sites, what is the probability that I have to wait at both construction sites?

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Chapter1: Combinatorial Analysis
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3.
When driving to Pippin's daycare I will go through two construction sites A and B. The
probability I have to wait at site A is 0.9 and the probability I have to wait at site B is 0.75. Suppose
the construction sites function independently of one another.
(a) What is the probability that I have to wait at at least one of the two construction sites?
(b) Given that 1 have to wait at at least one of the two construction sites, what is the probability
that I have to wait at both construction sites?
Transcribed Image Text:3. When driving to Pippin's daycare I will go through two construction sites A and B. The probability I have to wait at site A is 0.9 and the probability I have to wait at site B is 0.75. Suppose the construction sites function independently of one another. (a) What is the probability that I have to wait at at least one of the two construction sites? (b) Given that 1 have to wait at at least one of the two construction sites, what is the probability that I have to wait at both construction sites?
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