A poll asked respondents if they had taken a vacation in the last year. The respondents were separated into two groups: those who had graduated from college and those who had not. Numbers are based on a sample size of 250 in each group. Complete parts (a) and (b) below. College Graduate Not a College Graduate Total Took a Vacation Yes 183 126 309 No 67 124 191 Total D 250 250 500 a. If a person is randomly selected from this group, find the probability for parts (i) through (iii). i. the person is a college graduate 50 % (Type an integer or decimal rounded to one decimal place as needed.) ii. the person took a vacation % (Type an integer or decimal rounded to one decimal place as needed.)
A poll asked respondents if they had taken a vacation in the last year. The respondents were separated into two groups: those who had graduated from college and those who had not. Numbers are based on a sample size of 250 in each group. Complete parts (a) and (b) below. College Graduate Not a College Graduate Total Took a Vacation Yes 183 126 309 No 67 124 191 Total D 250 250 500 a. If a person is randomly selected from this group, find the probability for parts (i) through (iii). i. the person is a college graduate 50 % (Type an integer or decimal rounded to one decimal place as needed.) ii. the person took a vacation % (Type an integer or decimal rounded to one decimal place as needed.)
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Transcribed Image Text:A poll asked respondents if they had taken a vacation in the last year. The respondents were separated into two groups: those who
had graduated from college and those who had not. Numbers are based on a sample size of 250 in each group. Complete parts (a)
and (b) below.
College Graduate
Not a College Graduate
Total
Took a Vacation
Yes
183
126
309
No
67
124
191
Total
250
250
500
□
a. If a person is randomly selected from this group, find the probability for parts (i) through (iii).
i. the person is a college graduate
50 %
(Type an integer or decimal rounded to one decimal place as needed.)
ii. the person took a vacation
%
(Type an integer or decimal rounded to one decimal place as needed.)
Expert Solution
Step 1
Given information is:
From above table, we can conclude the following:
Total number of respondents who are college graduate=183+67=250
Total number of respondents who are not a college graduate=126+124=250
Total number of respondents who took a vacation=183+126=309
Total number of respondents who did not take a vacation=67+124=191
Total number of respondents=500
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