The number of secondsX after the minute that class ends are uniformly distributed between 0 and 60. Round all answers to 4 decimal places where possible.

1. What is the distribution ofX?X~ U(_______,___________)then the sampling distribution is
2. Suppose that 35 classes are clocked.What is the distribution ofx for this group of classes?x~ N(__________,______________)
3. What is the probability that the average of 35 classes will end with the second hand between 25 and 29 seconds?(_________)