4 Review of binompdf and binomcdf It is estimated that 15% of the population suffers some form of mental illness at one point of their lives. In a small company that employs 20 employees. Determine the probability that 2 employees suffer or had suffered some form of mental illness.2) Delores has a free-throw shooting percentage of What is the probability that she makes no more than 5 free throws out of 10 attempts?
5 Probability Distribution Binomial Distribution 6.2 Binomial Distribution Formulas vs. Probability Distribution FormulasProbability Distribution Binomial Distribution
6 6.2 (Day 2) Binomial Distribution Finding the mean and SD Characteristics of BinomialDistribution:As n increases, the distribution becomes more normal.
8 H.W. and quiz next block6.2 E #23-25 Be ready for a quiz on 6.1 and 6.2 You will be given the following formulas on the day of the quiz:
9 Conclusions from Student Feedback A.P. Statistics Good and should keepChanges and or/ ideasPrinted NotesDocuments on SharepointClearly labeled daily schedulePractice TestsCollaborative WorkStudent of the day!FYI: The calculator can be used on all the exam. There is no non-calculator section.Those of you that want access toA.P. Released Material, bring aflashdrive and come in duringBlock 7. I will be happy to give youfiles.More A.P. type questions- I have incorporated A.P. released Qs.- I will include more A.P. type questions in a game or activity for each chapter.Reduce # of items on agenda½ the class likes activities and other don’t.- Solution: differentiated instruction, there will be days where you can chose to do an activity or A.P. type questions
10 Multiple Choice Practice on Probability A binomial event has n = 60 trials. The probabilityof success on each trial is 0.4. Let X be the count ofthe successes of the event during the 60 trials. Whatare ?24, 3.7924, 14.44.9, 3.794.90, 14.42.4, 3.79
11 2) Consider repeated trials of a binomial random variable 2) Consider repeated trials of a binomial random variable. Suppose the probability of the first success occurring on the second trial is What is the probability on the first trial?11/83/16
12 3) Russell’s parents buy two apples each weekend, and put them in his lunch on two randomly selected weekdays of the following week. What is the probability that Russell gets an apple on exactly one of Monday or Tuesday next week. (a) (d) (b) (e) (c)
13 4) Delores has a free-shooting percentage of 0. 65 4) Delores has a free-shooting percentage of What is the probability that the first free throw she manages to make is on her 4th attempt. Which of the following would lead to the correct answer?Binomcdf (4, 0.65, 1)Binompdf(4, 0.65, 1)(0.65)(1-0.65)3
18 Draw a two-way table of the data. BONUS QUESTION!At Kennett High School, 5% of athletes play football and some other contact sport, 30% play football, and 40% play other contact sports. If there are 200 athletes, how many play neither football nor any contact sport.Draw a two-way table of the data.Solve for how many students (not percent) play neither football or any contact sport.
19 A.P Statistics Released Question reflecting knowledge of formula Information Given:Choices
21 3. In 20 trials 12 successes is the same as 8 failures.Also if a success is 0.7, then a failure is (1-0.7) = 0.3 .
22 H.W. Etc…6.2 E #23 – 25Look at both assignments: A.P. Practice of Ch. 5 and Ch.6and One-Boy Family PlanningDecide which one you want to complete and print it for February 6th (Monday)February 2nd (Thursday) 6.3 Geometric Distribution and Quiz on 6.1 and 6.2February 6th (Monday) A.P. Statistics finished more details on 6.3 and start on selected assignment1st day of Ntbk CheckFebruary 8th (Wendesday) Practice Ch. 6 Test and finish selected assignment Ch. 6 Test on Friday February 9th!
23 Answers to Whiteboard Review 1) a ) c2) c Bonus! Two-way table should3) d show that 70 athletes4)c are not in either football5) c or a contact sport.6) b7) c