DETAILS A certain game requires you to pay gold in order to play your cards. For a 87 card deck, the proportion of cards with various gold costs are given in the following table. Use 2 decimal places to answer the following questions when applicable. Gold 1 2 3 4 Proportion 0.09 0. 18 0.49 0.24 (a) What is the average gold cost for a card in your deck? (b) What does this value represent? If you were to play many cards, this is the average you should expect to pay per card. For every gold you spend, you should be able to play this many cards. Every time you play a card, you will need to pay this much gold. This is the most common amount of gold you will need to pay to play a card