This page summarizes a study on smoking habits among Californians and Hawaiians, highlighting self-reported ethnicity and cigarette consumption levels. It includes data on smokers categorized by daily...This page summarizes a study on smoking habits among Californians and Hawaiians, highlighting self-reported ethnicity and cigarette consumption levels. It includes data on smokers categorized by daily consumption (1-10, 11-20, 21-30, and 31+ cigarettes). Additionally, it covers exercises on calculating probabilities, analyzing gender and age relationships among U.S. licensed drivers, commuting patterns, and a coin toss experiment.