he route used by a certain motorist in commuting to work contains two intersections with traffic signals. The probability that he must stop at the first signal is 45, the analogous probability for the second signal is 0.5, and the probability that he must stop at at least one of the two signals is 0.55. (a) What is the probability that he must stop at both signals? (b) What is the probability that he must stop at the first signal but not at the second one? (c) What is the probability that he must stop at exactly one signal?

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Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

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Q: Suppose a county's recent health report gives a pet allergy prevalence of 0.16 for kids. There is a…

A: Form the tree diagram, P(pet allergy status)=0.16Ppet allergy but test Negative=0.15P(No pet allergy…

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