- For question 1 use the Normal model to find the probability a student scores under 65, or from 65 to 80, or between 80 and 90, or over 90--this is review! Use your chapter 6 notes or some (AP Stats Guy) videos about calculating percentiles under the Normal model!
- Next, questions 2-4 get into our "new stuff"--creating a probability model and using it to find, then interpret, expected value!
- On the back question 6 gets into some of the shifting/rescaling ideas we discussed...
- And finally, for question 7 you have to consider what we learned today--the Pythagorean theorem of Statistics! Remember, VARIANCES ALWAYS ADD!
And if you're feeling like getting ahead, here's Monday night's homework--this is mostly based on "combining random variables" and the Normal model--the stuff we started to learn today in class (and will work with more on Monday)!
Page 383: 23, 27ab, 31bc, 33de, 37
We will have our chapter 16 vocab quiz on Tuesday! (You will get the chapter 15 quiz back on Monday). Here's the list of chapter 16 vocab to study:
- Probability Model/Probability Distribution
- Expected Value
- Variance (standard deviation, squared)
- Standard Deviation (informs us about how the outcomes of a prob. model fluctuate or vary)
- Random Variable
- Discrete Random Variable
- Continuous Random Variable
- Shifting
- Rescaling
- Pythagorean Theorem of Statistics (variances always add!)
- Disjoint/Mutually Exclusive
- Independent
- Probability
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