4. During the Winter of 2021 to 2022, there was a popular game called Wordle. Suppose that letters are discovered 32 percent of the time (otherwise undiscovered, so assume a binomial distribution). For the first guess at the target word, (a) Compute the probability that at least one letter is discovered. (b) Compute the probability that more than 3 letters are discovered"This was an exam question during the Spring 2022 semester. There are 5 mystery letters overall (do not worry about duplicates). The scenario has been simplified to allow students to tackle the task in an exim situation