Suppose that you have 10 cards. 4 are green and 6 are yellow. the 4 green cards are numbered 1,2,3, , and 4. the 6 yellow cards are numbered 1. 2,3,4,5, and 6. the cards are well shuffled. you randomly draw one card

Anew 2-lane road is needed in a part of town that is growing. at some point the road will need 4 lanes to handle the anticipated traffic. if the city's optimistic estimate of growth is used, the expansion will be needed in 4 years and has a probability of happening of 40%. for the most likely and pessimistic estimates, the expansion will be needed in 8 and 15 years respectively. the probability of the pessimistic estimate happening is 20%. the expansion will cost $ 4.2 million and the interest rate is 8%. what is the expected pw the expansion will cost?