A polling organization conducted surveys of randomly selected citizens 18 years old or older and asked whether they support the legalization of medicinal marijuana. The frequencies of reported opinions, by age group, are presented in the table. Age 18 to 29 30 to 49 50 or older For 145 85 110 Against 150 121 71 (a) Test whether the proportion of citizens within each age group who are for or against the legalization of medicinal marijuana are the same at a=0.05. State the hypotheses. Choose the correct answer below. O A. Ho: Opinion and age are independent. H: Opinion and age are dependent. O B. Ho: P1 =P2 = P3 H: At least one of the proportions is different from the others O C. Ho 0, =E, and O2 E2 and Og = E3 H1: 0, #E, or O2 # E2 or O3 #E3 Compute the P-value.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
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Chapter11: Data Analysis And Probability
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a).

test whether the proportion of citizens within each age group who are for or against the legalization of medicinal marijuana or the same ad standard deviation = 0.05.

State the hypothesis. Choose the correct answer below.

 

compute the P value. Round to three decimal places as needed.

make the proper conclusion. Choose the correct answer below.

 

n Heip
A polling organization conducted surveys of randomly selected citizens 18
years old or older and asked whether they support the legalization of
medicinal marijuana. The frequencies of reported opinions, by age group,
are presented in the table.
Age
18 to 29
30 to 49
50 or older
For
145
85
110
Against
150
121
71
(a) Test whether the proportion of citizens within each age group who are for or against the legalization of medicinal marijuana are the same at a= 0.05.
State the hypotheses. Choose the correct answer below.
O A. H, Opinion and age are independent.
H: Opinion and age are dependent.
O B. Ho P1 P2 P3
H At least one of the proportions is different from the others,
O C. Ho 0, =E, and 02 = E, and 0, =E3
Hi: O, #E, or O2 # E2 or O3 # E3
%3D
Compute the P-value.
ices
Click to select your answer(s).
Transcribed Image Text:n Heip A polling organization conducted surveys of randomly selected citizens 18 years old or older and asked whether they support the legalization of medicinal marijuana. The frequencies of reported opinions, by age group, are presented in the table. Age 18 to 29 30 to 49 50 or older For 145 85 110 Against 150 121 71 (a) Test whether the proportion of citizens within each age group who are for or against the legalization of medicinal marijuana are the same at a= 0.05. State the hypotheses. Choose the correct answer below. O A. H, Opinion and age are independent. H: Opinion and age are dependent. O B. Ho P1 P2 P3 H At least one of the proportions is different from the others, O C. Ho 0, =E, and 02 = E, and 0, =E3 Hi: O, #E, or O2 # E2 or O3 # E3 %3D Compute the P-value. ices Click to select your answer(s).
Question Help
A polling organization conducted surveys of randomly selected citizens 18
years old or older and asked whether they support the legalization of
medicinal marijuana. The frequencies of reported opinions, by age group,
are presented in the table.
Age
18 to 29
30 to 49
50 or older
For
145
85
110
Against
150
121
71
O A. The P-value is greater than a, so do not reject Ho. There is sufficient evidence that the proportions are different
ay
O B. The P-value is less than a, so do not reject Hp There is not sufficient evidence that the proportions are different.
O C. The P-value is less than a, so reject Ho. There is sufficient evidence that the proportions are different.
O D. The P-value is greater than a, so reject Ho. There is not sufficient evidence that the proportions are different.
(b) Construct a conditional distribution of opinion by age and draw a bar graph.
18 to 29 30 to 49 50 or older
For
Against
(Round to four decimal places as needed.)
es
Transcribed Image Text:Question Help A polling organization conducted surveys of randomly selected citizens 18 years old or older and asked whether they support the legalization of medicinal marijuana. The frequencies of reported opinions, by age group, are presented in the table. Age 18 to 29 30 to 49 50 or older For 145 85 110 Against 150 121 71 O A. The P-value is greater than a, so do not reject Ho. There is sufficient evidence that the proportions are different ay O B. The P-value is less than a, so do not reject Hp There is not sufficient evidence that the proportions are different. O C. The P-value is less than a, so reject Ho. There is sufficient evidence that the proportions are different. O D. The P-value is greater than a, so reject Ho. There is not sufficient evidence that the proportions are different. (b) Construct a conditional distribution of opinion by age and draw a bar graph. 18 to 29 30 to 49 50 or older For Against (Round to four decimal places as needed.) es
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