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Question 4 6.25 points Save Beginning at 6 pm every day, patients arrive at a hospital emergency center following a Poison process with > = 2. Determine the probability that the third patient arrives between 6:15 pm and 6:30 pm. O a. 0.088 Ob. 0.231 O c. 0.123 Od. 0.066 Question 5 6.25 points Save Answer In a certain physics experiment, the particle emission from a radioactive substance follows a gamma distribution with an average of four emissions per second. What is the probability that it takes exactly 2 seconds for the next three particles to be emitted? O a. 0.576 Ob. o O c. 0.321 O d. 0.234Jim Question 6 6.25 points Save Answer A professor has a large class. The proportion of students who miss an assignment is a beta distribution with parameters a = 4 and B = 2. Determine the probability that at least 70% of the students will miss an assignment. O a. 0.5329 Ob. 0.2359 O c. 0.3592 O d. 0.3295