Refer to Exercise 5.126. Let Y denote the number of items among the ten that contain at least one defect. Find the probability that Y a equals 2. b is at least 1.

Week Three Lecture #1: Statistical inference: We infer conclusions about the population with data collected from a subgroup of selected individuals Inference: The value of the statistic changes with the sample sample variability We end up with sampling distribution of the values taken by the statistic in all possible samples of the same size from the same population...