An increase in demand could arise from which of the following ...

[jrubin]

An increase in demand could arise from which of the following factors
 a. an increase in income
 b. a decrease in the price of a substitute
 c. an increase in the price of a complement
  d. all of the above

Question 2

Four possibilities have probabilities 0.4, 0.2, 0.2 and 0.2 and values 10, 20, 30, and 40 respectively. The expected value is:
 a. 22
  b. 24
  c. 26
  d. 28

[shailee]

Answer to Question 1

a

Answer to Question 2

a

[jrubin]

Excellent

[bitingbit]

Thanks for the timely response, appreciate it