Each student arrives in office hours one by one, independentlyof each other, at a steady rate. On average, three students come toa two-hour office hour time block. Let S be the number of studentsto arrive in a two-hour office hour time block.
What is the distribution of S? What is its parameter?
Group of answer choices
S ∼ Geo(1/3)
S∼Pois(3)
S∼Bin(2,1/3)
S-Pois(1.5)
What is the probability that S = 4?
What is the probability that S ≤ 2?
What is the variance of S?
What is the expected value of S?
