Telephone calls arrive at a doctors office according to a Poisson process on the average of two every 3 minutes. Let X denote the waiting time until the first call that arrives after 10 a.m. (a) What is the pdf of X? (b) Find P(X > 2).

Tuesday, April 11 h • Example 5: Smiles and Leniency (skip for today) A study examined the effect of a smile on the leniency of disciplinary action for wrongdoers. Participants in the experiment took on the role of members of a college...