Develop a realistic example of a pair of random variables for ...

[Redwolflake15]

Develop a realistic example of a pair of random variables for which you would expect to find negative covariance.
 
  What will be an ideal response?

Question 2

What is the probability that the man doesn't work?
 
  What will be an ideal response?

[asdfghjkl;]

Answer to Question 1

Price of cars and number of cars sold

Answer to Question 2

P(both man and woman are not working) = 1 - 0.88 = 0.12
P(woman doesn't work  man doesn't work) = 0.40
P(man does not work) = P(both man and woman are not working)/0.40
= 0.12/0.40 = 0.30

[Redwolflake15]

Thanks for the timely response, appreciate it

[nothere]

Wow, this really help