alleryStart learning →Why might students arriving per minute at a union fail to be Poisson?
ARates vary and arrivals cluster
BArrivals cannot be counted
CThe interval has no length
DThe mean always equals zero
Answer & Solution
Correct answer: A. Rates vary and arrivals cluster
Arrival rates change between classes and students come in groups, breaking the constant rate and independence assumptions.
Keep practising Theoretical Distributions
Browse all Theoretical Distributions questions for CA Foundation, or explore more Quantitative Aptitude topics.
Related questions
The quantile function of the standard normal is called what?Which distribution has zero cumulants beyond the first two?Which continuous law has maximum entropy for a given mean and variance?A weighted sum of independent normal variables is itself?Sums of many independent variables tend toward which law?What are the mean and sd of the standard normal distribution?A value 45 comes from a normal law with mean 60 and sd 5. Its z-score is?A score is 70 on a normal scale with mean 50 and sd 10. What is its z-score?