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United StatesStatisticsQuick questions

Unit 4: Probability, Random Variables, and Probability Distributions

Quick questions on Independent events and unions of events - AP Statistics Unit 4

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Events AA and BB are independent with P(A)=0.5P(A) = 0.5, P(B)=0.2P(B) = 0.2. Find P(A and B)P(A \text{ and } B) and P(A or B)P(A \text{ or } B). [2 points]
What is q2?
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Are draws without replacement from a deck independent? Explain. [1 point]

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