One research study of illegal drug use among 12- to 17-year-olds reported a decrease in use (from 11.4% in 1997) to 9.89.8% now. Suppose a survey in a large high school reveals that, in a random sample of 1 comma 0551,055 students, 9595 report using illegal drugs. Use a 0.05 significance level to test the principal's claim that illegal drug use in her school is below the current national average. Question content area bottom Part 1 Formulate the null and alternative hypotheses. Choose the correct answer below. A. Upper H 0H0: pequals=0.0980.098 Upper H Subscript aHa: pless than<0.0980.098 Your answer is correct. B. Upper H 0H0: pless than<0.0980.098 Upper H Subscript aHa: pequals=0.0980.098 C. Upper H 0H0: pequals=0.0980.098 Upper H Subscript aHa: pgreater than>0.0980.098 D. Upper H 0H0: pequals=0.0980.098 Upper H Subscript aHa: pnot equals≠0.0980.098 Part 2 Find the test statistic. zequals=enter your response here (Round to two decimal places as needed.)
One research study of illegal drug use among 12- to 17-year-olds reported a decrease in use (from 11.4% in 1997) to 9.89.8% now. Suppose a survey in a large high school reveals that, in a random sample of 1 comma 0551,055 students, 9595 report using illegal drugs. Use a 0.05 significance level to test the principal's claim that illegal drug use in her school is below the current national average. Question content area bottom Part 1 Formulate the null and alternative hypotheses. Choose the correct answer below. A. Upper H 0H0: pequals=0.0980.098 Upper H Subscript aHa: pless than<0.0980.098 Your answer is correct. B. Upper H 0H0: pless than<0.0980.098 Upper H Subscript aHa: pequals=0.0980.098 C. Upper H 0H0: pequals=0.0980.098 Upper H Subscript aHa: pgreater than>0.0980.098 D. Upper H 0H0: pequals=0.0980.098 Upper H Subscript aHa: pnot equals≠0.0980.098 Part 2 Find the test statistic. zequals=enter your response here (Round to two decimal places as needed.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
One research study of illegal drug use among 12- to 17-year-olds reported a decrease in use (from 11.4% in 1997) to
9.89.8%
now. Suppose a survey in a large high school reveals that, in a random sample of
1 comma 0551,055
students,
9595
report using illegal drugs. Use a 0.05 significance level to test the principal's claim that illegal drug use in her school is below the current national average.Question content area bottom
Part 1
Formulate the null and alternative hypotheses. Choose the correct answer below.
Upper H 0H0:
pequals=0.0980.098
Upper H Subscript aHa:
pless than<0.0980.098
Upper H 0H0:
pless than<0.0980.098
Upper H Subscript aHa:
pequals=0.0980.098
Upper H 0H0:
pequals=0.0980.098
Upper H Subscript aHa:
pgreater than>0.0980.098
Upper H 0H0:
pequals=0.0980.098
Upper H Subscript aHa:
pnot equals≠0.0980.098
Part 2
Find the test statistic.
zequals=enter your response here
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