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United StatesStatisticsQuick questions

Unit 4: Probability, Random Variables, and Probability Distributions

Quick questions on Introduction to random variables and probability distributions - 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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A distribution has P(1)=0.3P(1) = 0.3, P(2)=0.45P(2) = 0.45, P(3)=kP(3) = k. Find kk. [1 point]
What is q2?
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For that distribution, find P(X>1)P(X > 1) and interpret it. [2 points]

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