Assume a Poisson distribution. ,a. If? = 2.0, find P(X? 2). ,b. If? = 8.0, find P(X? 3). ,c. If? = 0.5, find P(X? 1). ,d. If? = 4.0, find P(X? 1). ,e. If? = 5.0, find P(X? 3),