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ScotlandStatisticsQuick questions
Data Analysis and Modelling
Quick questions on Discrete random variables: expectation, variance, binomial, Poisson and geometric models - SQA Advanced Higher Statistics
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?Show answer
. Find . [2 marks]
What is q2?Show answer
A fair die is rolled until the first six appears. State the expected number of rolls. [1 mark]
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