MATH 221 Week 3 Discussion

MATH 221 Week 3 Discussion | Devry University

1.    Show the calculation to find the μ and σ of a binomial variable whose probability of success if 0.3 with a total number of attempts of 20. 

2.    Show the calculation to find the μ and σ of a binomial variable whose probability of success if 0.7 with a total number of attempts of 40. 

3.    Show the calculation to find the μ and σ of a binomial variable with a total number of attempts of 30 with first with the probability of success of 0.2 and then again with the probability of success of 0.8.  Compare and discuss the differences. 

4.    Graph the entire distribution of a binomial variable whose probability of success if 0.3 with a total number of attempts of 20. 

5.    Graph the entire distribution of a binomial variable whose probability of success if 0.7 with a total number of attempts of 40. 

6.    There are 10 M&Ms of which 6 are green, in a bowl.  You select 2 of them and eat each after it is selected.  Is this a binomial experiment?  Why or why not? 

7.    There are 10 M&Ms of which 6 are green, in a bowl.  You select 2 of them and putting each back in the bowl after it is selected.  Is this a binomial experiment?  Why or why not? 

8.    Describe a situation that would result in a binomial experiment.  Relate to each part of that situation to the definition of a binomial experiment. 

9.    Use the binomial experiment that a peer described in their response question #8.  From that, create and solve a binomial probability.  You may need to make a few assumptions, which is fine. 

10.  Ethics: Describe a situation where using a binomial probability with only two outcomes would be misleading.  What would make that use misleading and how might it be presented more effectively (honestly)?