Question 8. Using the Marijuana by Gender table from Module 4b which is replicated below, What is the probability that a user will be female given

Question 8. Using the Marijuana by Gender table from Module 4b which is replicated below, What is the probability that a user will be female given chronic usage, i.e. P(Female|Chronic)?

 

 

Gender

Marijuana Usage

 

 

Row Total

Never

Tried

Chronic

Male

505

165

25

695

Female

105

35

10

150

Column

Total

610

200

35

845

 

Question 9. In Module 4b, we saw that males and females were proportionally the same in having never used marijuana and occasionally used marijuana, but that females had nearly twice the rate of chronic usage than males, 6.7% to 3.6%? What other factors might explain the gender difference in chronic marijuana usage? Do you think this result might be due to chance alone? Why or why not?

Question 10. You’re a representative of local police union. The current starting wage for rookie police officer is $45,000. You’re negotiating the next collective bargaining agreement with management that will cover the next 5 years. They have offered two different ways for annually raising patrol officer pay. The first is annual 2% raises and the second is a flat raise of $1000 annually. Which is the better pay plan?

Question 11. Same situation, but now the offers are a 3.25% annual raise or a flat raise of $1500 annually. Which is the better pay plan?

Question 12. Same situation, same annual 2% raise or $1000 flat raise as in (10), but the starting rookie salary is $50,000. Which is the better pay plan?

Question 13. What’s the moral of the story here regarding pay raises?

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