Let X be the continuous random variable of the time students have to wait for Prof. Alvarez to arrive to class. The wait time, X, is uniformly distributed between -1 to 2 minutes to class. A negative means Prof. Alvarez arrived early to class and a positive means Prof. Alvarez arrived late to class. What is the probability that Prof. Alvarez arrives exactly on time? 0 decimal places.) (Round your answer to two D What is the probability that Prof. Alvarez arrives between -1 to 0 minutes early. answer to two decimal places.) (Round your What is the probability that Prof. Alvarez arrives between -0.7 to 1.2 minutes? answer to two decimal places.) (Round your Find the mean wait time for students. = (Round your answer to two decimal places.) Find the standard deviation wait time for students. places.) > Next Question (Round your answer to two decimal