A researcher claims that the ages of people who go to once a year are distributed as shown in the accompanying figure. You randomly select 1000 people who went to the movies at least once in 2020 and record the age of each. The table shows the results. At a=0.05, test the researcher's claim. Complete parts (a) through (e). Click here to view the figure showing the distribution of ages. Click here to view the table of values for the chi-square distribution. Age 2-11 12-17 18-24 25-39 40-49 50+ 150 105 125 238 117 265 Identify the claim. Choose the correct answer below. A. The distribution of ages of all people is 15% 2-11, 11% 12-17, 11% 18-24, 25% 25-39, 13% 40-49, and 25% 50 and older. OB. The distribution of ages of all people differs from the researcher's claim. OC. The distribution of ages of moviegoers differs from the researcher's claim. OD. The distribution of ages of moviegoers is 15% 2-11, 11% 12-17, 11% 18-24, 25 % 25-39, 13% 40-49, and 25% 50 and older.
A researcher claims that the ages of people who go to once a year are distributed as shown in the accompanying figure. You randomly select 1000 people who went to the movies at least once in 2020 and record the age of each. The table shows the results. At a=0.05, test the researcher's claim. Complete parts (a) through (e). Click here to view the figure showing the distribution of ages. Click here to view the table of values for the chi-square distribution. Age 2-11 12-17 18-24 25-39 40-49 50+ 150 105 125 238 117 265 Identify the claim. Choose the correct answer below. A. The distribution of ages of all people is 15% 2-11, 11% 12-17, 11% 18-24, 25% 25-39, 13% 40-49, and 25% 50 and older. OB. The distribution of ages of all people differs from the researcher's claim. OC. The distribution of ages of moviegoers differs from the researcher's claim. OD. The distribution of ages of moviegoers is 15% 2-11, 11% 12-17, 11% 18-24, 25 % 25-39, 13% 40-49, and 25% 50 and older.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:A researcher claims that the ages of people who go to the movies at least
once a year are distributed as shown in the accompanying figure. You
randomly select 1000 people who went to the movies at least once in 2020
and record the age of each. The table shows the results. At a=0.05, test the
researcher's claim. Complete parts (a) through (e).
Click here to view the figure showing the distribution of ages.
Click here to view the table of values for the chi-square distribution.
Age
2-11
12-17
18-24
25-39
40-49
50+
Frequency, f
150
105
125
238
117
265
Identify the claim. Choose the correct answer below.
A. The distribution of ages of all people is 15% 2-11, 11% 12-17, 11% 18-24, 25% 25-39, 13% 40-49, and
25% 50 and older.
OB. The distribution of ages of all people differs from the researcher's claim.
OC. The distribution of ages of moviegoers differs from the researcher's claim.
OD. The distribution of ages of moviegoers is 15% 2-11, 11% 12-17, 11% 18-24 , 25 % 25-39, 13% 40-49.
and 25% 50 and older.
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