question archive The use of both alcohol and tobacco by high school seniors has declined in the last 30 years
The use of both alcohol and tobacco by high school seniors has declined in the last 30 years
Subject:MathPrice: Bought3
The use of both alcohol and tobacco by high school seniors has declined in the last 30 years. Alcohol use is down from 36.7 to 20.4%, and the use of cigarettes by high school seniors has decreased from 68.2 to 43.1%. A random sample of 295 high school seniors from a large region indicated that 61% had NOT smoked any cigarettes during the 30 days prior to the survey. At the 0.05 level of significance, test the claim that the use of cigarettes by high school seniors has decreased from 43.1%.
