## Normal Approximation to Poisson Test

Unit Test #73

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 Q1: It is known that the number of accidents on a motorway occur at an average of 25 every year. X is a random variable for the number of accidents. What type of probability distribution is X? A. Binomial B. Poisson C. Normal D. Rectangular Answer 1: A                    B                    C                    D Q2: Could the normal distribution be used as a suitable approximation for X? A. Yes B. No Answer 2: A                    B                    C                    D Q3: In question 1, if the normal approximation was used, what would be the mean of the normal approximation? A. 5 B. 25 C. 625 D. 20 Answer 3: A                    B                    C                    D Q4: In question 1, if the normal distribution was used, what would be the standard deviation of the normal approximation? A. 5 B. 25 C. 625 D. 20 Answer 4: A                    B                    C                    D Q5: In question 1, what is the probability that there will be more than 30 accidents? A. 0.8333 B. 1.1 C. 0.3643 D. 0.1357 Answer 5: A                    B                    C                    D