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Wednesday, January 9, 2019

Wednesday HW!

Tonight you have two responsibilities for homework:

1.) Complete the "Binomial or Geometric? Exit Slip" provided in class (or below).
  • For this assignment your task is to read each question and label it as binomial or geometric probability! 
  • Extra Credit Due Friday = calculate each of these probabilities, showing all work (we'll learn more of this tomorrow)
2.) Complete questions a, b, c, and d on your notes slides!
  • Glue these in and do them in your notebook!
  • Questions a, b, and d are based on today's notes
  • For d, remember that "among the first 4" means the first O-neg donor is 1st or 2nd or 3rd or 4th (aka found among the first four people)
  • We did not discuss how to find the answer to question c, but you can definitely figure it out!
    • Think...we don't need any fancy formulas to find this answer, we just need to understand some proportional reasoning.....
    • You'll get a decimal answer--don't round! Even though we can't draw blood from a fractional number people, this answer represents an average!
  • Answer key:
    • a.) 0.0414
    • b.) 0.0919 = 0.053016 + 0.03891
    • c.) 16.667 people (DO NOT round this answer, as it represents an average)
    • d.) 0.2193

Today's Class Recap: 
  • Stamp = midterm review
  • Back to probability....chapter 17 = binomial and geometric probability
  • Completed our Venn diagram defining/comparing/contrasting binomial and geometric probabilities
  • Used yesterday's stamp to learn how to use geometpdf( and geometcdf( on our graphing calculator (new stuff, notes)

Suggested Midterm Review HW:
  • Complete the 1999 and/or the 2004 free response provided in class!
  • (ALWAYS) Score your response--this will allow you to check your understanding, and it will also give you some insight into how I will be grading your midterms!
      • Choose the "scoring guidelines" (for the appropriate year) to see the scoring rubric--scroll down to the appropriate number to find the rubrics

Tonight's HW:


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