The number of typos per page in a certain printing of a novel has an average of 1.2 typosfpage. Let X be the number oftypos in a random selection of T pages and assume X follows a Poisson distribution. a} Specify the values of any parameters for the distribution ofX. b} Write out the fomiula1 with numbers substituted1 to calculate the probability that you observe at least three typos in a random selection of T pages, but do not solve