Can someone help me out on these 2 problems completely confused on how to do them.

Today, the waves are crashing onto the beach every 4 seconds. The times from when a person arrives at the shoreline until a crashing wave is observed follows a Uniform distribution from 0 to 4 seconds. Round to 4 decimal places where possible. a. The mean of this distribution is C] b. The standard deviation is C] c. The probability that wave will crash onto the beach exactly 0.6 seconds after the person arrives is P{x = 0.6) = d. The probability that the wave will crash onto the beach between 1.5 and 1.9 seconds after the person arrives is P(1.5 1.9) = C] f. Suppose that the person has already been standing at the shoreline for 0.5 seconds without a wave crashing in. Find the probability that it will take between 1.2 and 3 seconds for the wave to crash onto the shoreline. g. 76% of the time a person will wait at least how long before the wave crashes in? C] seconds. h. Find the minimum for the upper quartile. C] seconds. Births are approximately Uniformly distributed between the 52 weeks of the year. They can be said to follow a Uniform distribution from 1 to 53 (a spread of 52 weeks). Round answers to 4 decimal places when possible. a. The mean of this distribution is C] b. The standard deviation is C] c. The probability that a person will be born at the exact moment that week 29 begins is P(x = 29) = d. The probability that a person will be born between weeks 16 and 50 is P(16 29) = C] f.P{x>6|x