# Question: The number of planes arriving per day at a small

The number of planes arriving per day at a small private airport is a random variable having a Poisson distribution with λ = 28.8. What is the probability that the time between two such arrivals is at least 1 hour?

**View Solution:**## Answer to relevant Questions

If the annual proportion of erroneous income tax returns filed with the IRS can be looked upon as a random variable having a beta distribution with α = 2 and β = 9, what is the probability that in any given year there will ...If Z is a random variable having the standard nor–mal distribution, find the probabilities that it will take on a value (a) Greater than 1.14; (b) Greater than –0.36; (c) Between –0.46 and – 0.09; (d) Between ...Use integration by parts to show that Γ(α) = (α – 1) ∙ (α – 1) for Γα > 1. With reference to Exercise 6.75, show that the Poisson distribution would have yielded a better approximation. In Exercise Suppose that we want to use the normal approximation to the binomial distribution to determine ...If X has a geometric distribution with θ = 1/3 , find the formula for the probability distribution of the random variable Y = 4 – 5X.Post your question