Answer Happy

Q4. On the basis of past data, the hospital's COVID center receives on average 20 COVID the month of November and December, the number of traveler visit per day is relatively stable testing cases per day for international travelling purposes. The past record shows that during throughout the day. Moreover, the COVID testing visitor appears to be independent of one another. The COVID center is open for 12 hours per day and takes $140 for the COVID test per person. There is no reason to believe that international travelers for the next three months will be any different from the past couple of months. A. The hospital authority declares a promotional offer for the travelers depending on the total number of COVID testing cases per day. The hospital will take $120 per person for COVID testing whenever 25 travelers visit the COVID center, $115 whenever 30 visitors, and $100 whenever 35 travelers visit the center on a given day. You are planning to travel abroad in January and to visit the hospital soon. What is the probability that your COVID test cost will be $115? B. Consider the bonus scheme presented in part A will be given only Saturday and January has five Saturdays. What is the probability that the hospital will take $120 per COVID test exactly three times in January? You can choose your perfect equations from the list below: n! Pb(R = rn, p) r!(n – »);'(1 – P)"- fr(yly, o) = JZz e-(3=w)? /202 for ---<y<oo, = σ2π e-mmk Pp(K = k|m) k! fe(t\m) = =me-mt for t> 0