Raffle sells 2500 tickets at $8 each winning prizes 30 at $100, 10 at 500$ , one at $8000. your means/expected value of X = -1.60 If you were to play in such a raffle 100 times what is the expected net gain?

Suppose the price of an airline ticket is $200 plus $0. 10 for each mile traveled. If you spent $256. 60 on airfare between two cities, how many miles are there between the cities? 后 ap區市中 日| [回 うX 8. 土 U N %|||| 豆|頁

The population of Alabama is about 4.3 million. They have a rate of decline of 3% a year. What will be Alabama's population in 20 year a O b Oc Od 2.41 million 2.45 million 2.33 million 2.34 million

What is the t-value associated with 27 degrees of freedom and 0.5% in the tail? (please round your answer to 3 decimal places)

If P (B)=0.6, find P P(B©). p(B©)= %3D