Page 428: 7a, 23, 25
- For 7, 23 also interpret 68/95/99.7 rule to earn full credit on your homework! This is not stated in the textbook directions! (Use the examples/sentences/interpretations from today's notes to help!
- For #25 not all parts (a,b,c,d) require you to use the sampling distribution--recognizing which questions use a sampling distribution is part of the challenge!
- Remember, to use a sampling distribution we must be given a sample size and are asked about the mean/proportion of a sample....
- If not, this is an "old school" normalcdf or invnorm problem like we saw earlier in the year!
Tomorrow (or the next time we have class) you'll be starting with a quiz! Be sure you know how to check your conditions for each sampling distribution! Be sure you can also describe the sampling distribution (shape, mean, standard deviation) like we did for today's stamp!
Then, on Thursday (or Friday if we have a snow day) we'll take our chapter 18 vocab quiz and do some sampling distribution classwork before we move onto chapter 19! I can't wait!
Have an awesome afternoon!
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