1338 policy holders of an insurance company If we randomly select a policy holder, what is the probability that they are a smoker? If we randomly select a policy holder, what is the probability that they are a female and a smoker? If we randomly select a female, what is the probability that she is a smoker?
1338 policy holders of an insurance company If we randomly select a policy holder, what is the probability that they are a smoker? If we randomly select a policy holder, what is the probability that they are a female and a smoker? If we randomly select a female, what is the probability that she is a smoker?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
1338 policy holders of an insurance company
- If we randomly select a policy holder, what is the
probability that they are a smoker?
- If we randomly select a policy holder, what is the probability that they are a female and a smoker?
- If we randomly select a female, what is the probability that she is a smoker?
Transcribed Image Text:sex
no yes
female
139 36
male 134 55
smoker
,, region = southwest
sex
smoker
no yes
female 141 21
male 126 37
Transcribed Image Text:Frequency table:
,, region = northeast
smoker
no yes
female 132 29
male 125 38
sex
,, region = northwest
smoker
sex
no yes
female 135 29
male 132 29
Expert Solution
Step 1
a) From the given data total smoker is, (36+55+21+37)+(29+38+29+29)
=274
Therefore, probability of randomly select policy holder is the smoker is,
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