suspect that 18% of all high school students smoke one pack of cigarettes per week. At Wilson High School, with an enrollment of 300 students, a study found that 50 smoked one pack of cigarettes per week. At a 0.05 significance level, test the claim that less than 18% of Wilson High School students smoke one pack of cigarettes a week. a) What are the null and alternative hypotheses? Ho: p=0.18 O H: p 0.18 Ho p=0.18 H: p 0.18 Ho p=0.167 0 H: p