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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.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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.
 
 
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.)
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