1280 Final Exam Verified 100% Solutions

What is the probability of getting 4 or more successes in 5 throws? {Ans: .00}A Poisson distribution called Q has an expectation of 4. Which of the following R commands would tell you the probability that a randomly selected value from Q is less than 6 and greater than or equal to 4? {Ans: ppois(5,4) - ppois(3,4)}What is the probably that a randomly selected item from random variable L will be greater than 0 and less than or equal to 3? {Ans: .57}The time between incoming customer service calls to computer-repair hotline. Probability that calls will be less than 1 minute? {Ans: .39}What is the expected number of successes when throwing 5 darts? {Ans: 0.75}Which distributions are discrete? {Ans: Poisson, Binomial, Uniform}