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19. A review of voter registration records in a small town yielded the following data of the number of males and females registered as Democrat, Republican, or some other affiliation: Gender Male 300 Republican 500 200 Affiliation Democrat Female 600 300 Other 100 What proportion of all voters is male and registered as a Democrat? O 0.15 O 0.30 O 0.33 O 300 20. A survey was conducted involving 303 subjects concerning their preferences with respect to the size of car they would consider purchasing. The following table shows the count of the responses by gender of the respondents: Size of Car Medium Gender Small 58 Large 17 25 42 Total Female Male Total 138 63 61 124 79 165 137 303 The data are to be summarized by constructing marginal distributions. In the marginal distribution for car size, the entry for medium cars is O 0.457 O 0.409 O 0.370 O 0.508 O None of these options are correct

19. A review of voter registration records in a small town yielded the following data of the number of males and females registered as Democrat, Republican, or some other affiliation: Gender Male 300 Republican 500 200 Affiliation Democrat Female 600 300 Other 100 What proportion of all voters is male and registered as a Democrat? O 0.15 O 0.30 O 0.33 O 300 20. A survey was conducted involving 303 subjects concerning their preferences with respect to the size of car they would consider purchasing. The following table shows the count of the responses by gender of the respondents: Size of Car Medium Gender Small 58 Large 17 25 42 Total Female Male Total 138 63 61 124 79 165 137 303 The data are to be summarized by constructing marginal distributions. In the marginal distribution for car size, the entry for medium cars is O 0.457 O 0.409 O 0.370 O 0.508 O None of these options are correct

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
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What proportion of the male voters is registered as a Democrat? O 0.15 O 0.30 O 0.33 O 300 19. A review of voter registration records in a small town yielded the following data of the number of males and females registered as Democrat, Republican, or some other affiliation: Gender Affiliation Democrat Republican 500 Other Male Female 600 300 300 200 100 What proportion of all voters is male and registered as a Democrat? O 0.15 O 0.30 O 0.33 O 300 20. A survey was conducted involving 303 subjects concerning their preferences with respect to the size of car they would consider purchasing. The following table shows the count of the responses by gender of the respondents: Gender Female Size of Car Medium 63 Small Large 17 Total 58 138 Male 79 61 25 165 Total 137 124 42 303 The data are to be summarized by constructing marginal distributions. In the marginal distribution for car size, the entry for medium cars is O 0.457 O 0.409 O 0.370 O 0.508 O None of these options are correct 21. A researcher is conducting a study on contact lenses. She finds that in a sample of contact lens-wearing adults, those who wear their contact lenses for longer periods of time have more irritation in their eves, Those who wear their contact lenses for only a few hours a day have less irritation. However, those who wear their contacts for longer times also tend to spend long hours at the office. As explanations for having more irritation in the eves. the variables "lenath of time contacts are worn each dav" and "lenath of time spent at the office per dav" are Remaining: 1:04:00 Start: 10:13 PM variables. P Type here to search Save Submit (16 中 10:55 PM ENG 2/15/2021 F1 F2 F3 F4 PrtScn Home F5 End F10 F6 F7 PgUp PgDn FB F9 %23 % & 2 3 4. 5 7. 8. W E R
Transcribed Image Text:What proportion of the male voters is registered as a Democrat? O 0.15 O 0.30 O 0.33 O 300 19. A review of voter registration records in a small town yielded the following data of the number of males and females registered as Democrat, Republican, or some other affiliation: Gender Affiliation Democrat Republican 500 Other Male Female 600 300 300 200 100 What proportion of all voters is male and registered as a Democrat? O 0.15 O 0.30 O 0.33 O 300 20. A survey was conducted involving 303 subjects concerning their preferences with respect to the size of car they would consider purchasing. The following table shows the count of the responses by gender of the respondents: Gender Female Size of Car Medium 63 Small Large 17 Total 58 138 Male 79 61 25 165 Total 137 124 42 303 The data are to be summarized by constructing marginal distributions. In the marginal distribution for car size, the entry for medium cars is O 0.457 O 0.409 O 0.370 O 0.508 O None of these options are correct 21. A researcher is conducting a study on contact lenses. She finds that in a sample of contact lens-wearing adults, those who wear their contact lenses for longer periods of time have more irritation in their eves, Those who wear their contact lenses for only a few hours a day have less irritation. However, those who wear their contacts for longer times also tend to spend long hours at the office. As explanations for having more irritation in the eves. the variables "lenath of time contacts are worn each dav" and "lenath of time spent at the office per dav" are Remaining: 1:04:00 Start: 10:13 PM variables. P Type here to search Save Submit (16 中 10:55 PM ENG 2/15/2021 F1 F2 F3 F4 PrtScn Home F5 End F10 F6 F7 PgUp PgDn FB F9 %23 % & 2 3 4. 5 7. 8. W E R
Expert Solution
Step 1

19)

Given data table ,

Statistics homework question answer, step 1, image 1

Number of all voters male and registered as a democrat x = 300

Total voters = n = 2000

Proportion of all voters is male and registered as democrat is ,

xn  = 3002000 = 0.15

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