Calculate the 95% confidence intervals for the proportion of children surviving, and the proportion of non-crew adult passengers surviving. We want to use the given data to make inferences about the general population of all large boat crashes, so the data set should be treated as a random sample for this purpose. The 95% confidence interval for survival rate amongst non-crew adults runs from? (Round to one decimal place as needed. Use ascending order.) Frequency table results for Adult/Child: Group: Survival=Alive Count = 711 Adult/Child Frequency Relative Frequency Adult 654 0.91983122 Child 57 0.080168776 Frequency table results for Adult/Child: Group: Survival=Dead Count = 1490 Adult/Child Frequency Relative Frequency Adult 1438 0.96510067 Child 52 0.034899329 Frequency table results for Class: Group: Survival=Alive Count = 711 Class Frequency Relative Frequency Crew 212 0.29817159 First 203 0.28551336 Second 118 0.16596343 Third 178 0.25035162 Frequency table results for Class: Group: Survival=Dead Count = 1490 Class Frequency Relative Frequency Crew 673 0.45167785 First 122 0.081879195 Second 167 0.11208054 Third 528 0.35436242
Calculate the 95% confidence intervals for the proportion of children surviving, and the proportion of non-crew adult passengers surviving. We want to use the given data to make inferences about the general population of all large boat crashes, so the data set should be treated as a random sample for this purpose. The 95% confidence interval for survival rate amongst non-crew adults runs from? (Round to one decimal place as needed. Use ascending order.) Frequency table results for Adult/Child: Group: Survival=Alive Count = 711 Adult/Child Frequency Relative Frequency Adult 654 0.91983122 Child 57 0.080168776 Frequency table results for Adult/Child: Group: Survival=Dead Count = 1490 Adult/Child Frequency Relative Frequency Adult 1438 0.96510067 Child 52 0.034899329 Frequency table results for Class: Group: Survival=Alive Count = 711 Class Frequency Relative Frequency Crew 212 0.29817159 First 203 0.28551336 Second 118 0.16596343 Third 178 0.25035162 Frequency table results for Class: Group: Survival=Dead Count = 1490 Class Frequency Relative Frequency Crew 673 0.45167785 First 122 0.081879195 Second 167 0.11208054 Third 528 0.35436242
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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Calculate the 95% confidence intervals for the proportion of children surviving, and the proportion of non-crew adult passengers surviving. We want to use the given data to make inferences about the general population of all large boat crashes, so the data set should be treated as a random sample for this purpose.
- The 95% confidence interval for survival rate amongst non-crew adults runs from?
(Round to one decimal place as needed. Use ascending order.)
Frequency table results for Adult/Child:
Group: Survival=Alive
Count = 711
Adult/Child | Frequency | Relative Frequency |
---|---|---|
Adult | 654 | 0.91983122 |
Child | 57 | 0.080168776 |
Frequency table results for Adult/Child:
Group: Survival=Dead
Count = 1490
Adult/Child | Frequency | Relative Frequency |
---|---|---|
Adult | 1438 | 0.96510067 |
Child | 52 | 0.034899329 |
Frequency table results for Class:
Group: Survival=Alive
Count = 711
Class | Frequency | Relative Frequency |
---|---|---|
Crew | 212 | 0.29817159 |
First | 203 | 0.28551336 |
Second | 118 | 0.16596343 |
Third | 178 | 0.25035162 |
Frequency table results for Class:
Group: Survival=Dead
Count = 1490
Class | Frequency | Relative Frequency |
---|---|---|
Crew | 673 | 0.45167785 |
First | 122 | 0.081879195 |
Second | 167 | 0.11208054 |
Third | 528 | 0.35436242 |
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