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ID# 4) The use of both alcohol and tobacco by high school seniors has declined in the last 30 years. Alcohol use is down from

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ID# 4) 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 300 high school seniors from a large region indicated that 82% had NOT consumed any alcohol during the 30 days prior to the survey. At the 0.04 level of significance, test the claim that the use of alcohol by high school seniors has decreased from 20.4%. (Use any method of hypothesis testing) (13 points) a) State the claim in words: (3 points) b) State Null (H.) and Alternative (Ha ) hypotheses using the correct notation. (2 points c) State the data given: Include the following P, q, P , na (1 points) d) State the critical value (s) C. V. or the P-value: (2 points) e) State the Liest or Trest value (1 point) e) State your decision: (1 point) f) Write your statement: (3 points) n = 360

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