Question
In: Statistics and Probability
The table below describes the smoking habits of a group of asthma sufferers. Use this table...
The table below describes the smoking habits of a group of asthma sufferers. Use this table to answer questions 7-9.
|
Nonsmoker |
Light Smoker |
Heavy Smoker |
Total |
|
|
Men |
330 |
75 |
65 |
470 |
|
Women |
315 |
83 |
87 |
485 |
|
Total |
645 |
158 |
152 |
955 |
- If one of the subjects is randomly selected, find the probability that he/she is a light smoker or a woman. (5)
- If 3 of the subjects are randomly selected, find the probability that they are all men. (5)
If one of the subjects is randomly selected, find the probability that she is a heavy smoker given that she is a woman.
Solutions
orchestra answered 1 year agoRelated Solutions
Smoking habits of UK residents: A survey was conducted to study the smoking habits of UK...
Smoking habits of UK residents: A survey was
conducted to study the smoking habits of UK residents. Below is a
data matrix displaying a portion of the data collected in this
survey. Note that "£" stands for British Pounds Sterling, "cig"
stands for cigarettes, and "N/A" refers to a missing component of
the data.
sex
age
marital
grossIncome
smoke
amtWeekends
amtWeekdays
1
Female
42
Single
Under £2600
Yes
12 cig/day
12 cig/day
2
Male
44
Single
£10,400 to £15,600
No...
Using models, analyze and interpret the data in the following table on smoking habits of students...
Using models, analyze and interpret the data in the following
table on smoking habits of students in Arizona high schools
(Consider a proper model and conduct proper tests for corresponding
parameters and goodness-of-fit).
Student Smokes Student Does Not Smoke
Both parents smoke 400 1380
One parent smokes 416 1823
Neither parent smokes 188 1168
Answer in SAS code would be okay!
smoking: the social and cultural history (reasons for smoking, tobacco smoking, and secondhand smoke); habits, health,...
smoking: the social and cultural history (reasons for smoking,
tobacco smoking, and secondhand smoke); habits, health, economy;
What I look at:
1.Quality research – no copy and paste
2. The quality of the written story
3. 350 words
4.style (punctuation, grammar)
2. Below is a contingency table consisting of seat belt use and amount of smoking per...
2. Below is a contingency table consisting of seat belt use and
amount of smoking per day. Use a .05 significance level to test the
claim that the amount of smoking is independent of seat belt
use.
Number of Cigarettes Smoked per Day
0
1 – 14
15 – 34
35 and over
Wear Seat Belts
175
20
42
6
Don’t Wear Seat Belts
149
17
41
9
Test the claim using the critical value method (Check your
answer with...
Below is a contingency table consisting of seat belt use and amount of smoking per day....
Below is a contingency table consisting of seat belt use and
amount of smoking per day. Use a .05 significance level to test the
claim that the amount of smoking is independent of seat belt
use.
Number of Cigarettes Smoked per Day
0
1 – 14
15 – 34
35 and over
Wear Seat Belts
175
20
42
6
Don’t Wear Seat Belts
149
17
41
9
Test the claim using the critical value method (Check your
answer with the...
The contingency table below shows the results of a survey of video viewing habits by age....
The contingency table below shows the results of a survey of
video viewing habits by age.
Video Viewing Platform Preferred
Viewer Age
Mobile/Laptop Device
TV
Screen
Row Total
18–34
35
38
73
35–54
9
9
18
55+
3
6
9
Column
Total
47
53
100
Find the following probabilities or percentages:
(a) Probability that a viewer is aged 18–34.
(Round your answer to 2 decimal places.)
Probability
(b) Probability that a viewer prefers watching videos on a
TV...
The contingency table below shows the results of a survey of video viewing habits by age....
The contingency table below shows the results of a survey of
video viewing habits by age.
ideo Viewing Platform Preferred
Viewer Age
Mobile/Laptop Device
TV Screen
Row Total
18–34
30
38
68
35–54
10
10
20
55+
3
9
12
Column Total
43
57
100
Find the following probabilities or percentages:
(a) Probability that a viewer is aged 18–34.
(Round your answer to 2 decimal places.)
Probability
(b) Probability that a viewer prefers watching videos on a
TV...
The contingency table below shows the results of a survey of video viewing habits by age....
The contingency table below shows the results of a survey of
video viewing habits by age. Video Viewing Platform Preferred
Viewer Age Mobile/Laptop Device TV Screen Row Total 18–34 34 34 68
35–54 12 12 24 55+ 2 6 8 Column Total 48 52 100 Find the following
probabilities or percentages: (a) Probability that a viewer is aged
18–34. (Round your answer to 2 decimal places.) Probability (b)
Probability that a viewer prefers watching videos on a TV screen.
(Round...
Externality: A restaurant owner is considering a ban on smoking in his restaurant. The table below...
Externality: A restaurant owner is considering a ban on
smoking in his restaurant. The table below lists the daily-expected
benefits received by the owner from smokers and non-smokers. There
are three choices, ban, allow or set up a separate smoking area.
Assume all parties can negotiate at zero cost.
Ban Smoking
$200 (smokers)
$220 (non-smokers)
Allow Smoking
$280 (smokers)
$150 (non-smokers)
Separate Smoking Rooms
$210 (smokers)
$200 (non-smokers)
Suppose the restaurant owner has the property rights to
allow, ban or...
Imagine that we conducted a survey and asked individuals about their education and their smoking habits....
Imagine that we conducted a survey and asked individuals about
their education and their smoking habits. The results are below.
Are these two variables correlated? If so, what are two potential
confounding variables that would explain a statistically
significant correlation between education and smoking habits?
Explain.
LESS EDUCATED
MORE EDUCATED
HEAVY SMOKER
15
3
LIGHT SMOKER
40
17
NON SMOKER
48
74
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