One thousand raffle tickets are sold at $2 each. six prizes will be awarded, one first prize worth $500, two second prizes worth $300 and three third prizes worth $100. oliver purchases one of the tickets. find his expectation.

Working on itts i’m going to need you to me as i go along 1-5

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?