1. The lengths of speeches during a filibuster have approximately an exponential distribution with a mean of 90 minutes. The speeches are given twenty-four hours a day, with no break between the end of one speech and the beginning of the next. What is the probability that more than three speeches will be completed in a nine-hour period?
2. The players who play Call of Duty, Forty percent of players use XBOX, fifty percent of players use PlayStation, and the rest use Wii U. Call of Duty has more than 10 different games. Of those who play on XBOX, sixty percent play more than 3 games. Of those who play on PlayStation , fifteen percent play more than 3 games. Of those who play on Wii U, none play more than 3 games. What proportion of the players play less than 3 games, planing on Wii U?