An online retailer has determined that the average time for credit card transactions to be electronically approved is 1.6 seconds. (a) Use an exponential density function to find the probability that a customer waits less than a second for credit card approval. (b) Find the probability that a customer waits more than 3 seconds. (c) What is the minimum approval time for the slowest 5% of transactions

Problems of small populations Announcements • Grade calculator on moodle Problems of small populations • Loss of genetic diversity • Effective population size • Population bottlenecks • Stochasticity • Allee effects Genetic diversity: review • Genetic Diversity: genetic differences among individuals • Population: a group of individuals that mate with one another and...