Question 1. Using the Marijuana by Gender table 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 2. 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 year period with raises that are applied at the beginning of each new year (the first year is the starting wage and the beginning of the 5th year is the last raise for the CBA). 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 3. 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 4. 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?