"ecstasy" was a popular drug in the 1990s. it produced a sense of euphoria derisively called the "yuppie high." one investigator made a careful sample survey to estimate the prevalence of drug use at stanford university. two assistants were stationed on the main campus plaza and instructed to interview all students who passed through at specified times. as it turned out, 39% of 369 students interviewed said they had used ecstasy at least once. does the investigator’s procedure give a probability sample of stanford students? answer yes or no, and explain.

Study the following facts: 1915—state education committee banned the french language in public schools (corporal punishment was allowable to deter the act of speaking french). 1916—compulsory attendance: all louisiana children must attend school until the age of 16 years. 1918—louisiana legislative act 114 stated that german could not be spoken on streets, taught in schools, or printed in newspapers (reaction to german aggression in world war i). 1921—repeal of act 114 . 1921—constitutional amendment stated languages other than english were prohibited in public schools. from the information above, answer the following questions to yourself. how did the above legislative laws affect the ethnic cultures generations later? describe the opportunity cost in economic and cultural terms of these legislative decisions. should efforts be made to preserve or revive the cultural traits of unique ethnic cultures in louisiana? assignment research current efforts and organizations that are actively engaged in cultural preservation. create a poster or powerpoint® describing the methods and strategies being employed in the preservation efforts (e.g., french immersion, german fest, codofil, cafa).