Tomorrow we will start class with a 12 minute quiz! Come ready!
- What do I need to know for the quiz?
- Create a probability model for a given context
- Calculate expected value (show work)
- Calculate standard deviation and/or variance (using calc--1 Var Stats)
- Interpret expected value in a sentence
- How can I prepare for the quiz?
- Look over last night's multiple choice!
- Here is an answer key to last night's homework with ALL of the work shown:
- Look back at Monday night's homework and/or key (linked below) to review "interpret expected value."
- Look back at our weekend book work!
- p. 381-383: 3, 5, 7, 15, 21
- Try more practice problems!
- p. 382: #6b, 17, 19, 22
- Do these on separate paper and grade yourself for +2 on your quiz
- Here are the answers to 6b and 22
- 6b.) Table: probability of 1 dart 0.1, prob for 2 darts = 0.09, prob. for 3 darts = 0.081, prob for 4 darts (and win) = 0.0729, prob for 4 darts (and lose) = 0.6561
- 6b.) E(# darts) = 3.44
- 6c.) E(wnnings) = $17.20
- 22a.) Table: prob. of 0 males = 0.143, prob. of 1 male = 0.571, prob. of 2 males = 0.286
- 22b.) E(# males) = 1.14 males
- 22c.) st. dev(# males) = 0.64 males
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