Health Authority believes that the rate of smoking among adults in its region is above the national average of 36%. It commissions a random survey of 1,200 adults and finds that the number of smokers in this sample is 395. They wish to test their belief. i. Clearly state an appropriate null and alternative hypothesis. ii. Perform the hypothesis test at the significance level α = .05. Find also the p−value of the test. iii. State your conclusions.

Health Authority believes that the rate of smoking among adults in its region is above the national average of 36%. It commissions a random survey of 1,200 adults and finds that the number of smokers in this sample is 395. They wish to test their belief. i. Clearly state an appropriate null and alternative hypothesis. ii. Perform the hypothesis test at the significance level α = .05. Find also the p−value of the test. iii. State your conclusions.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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