28. A study of consumer smoking habits includes 186 people in the 18-22 age bracket (42...
28. A study of consumer smoking habits includes 186 people in
the 18-22 age bracket (42 of whom smoke), 124
people in the 23-30 age bracket (40 of whom smoke), and 99 people
in the 31-40 age bracket (21 of whom
smoke).
b. If one person is randomly selected from this sample, find the
probability of getting someone who is age 18-22
or is age 31-40.
Homework Answers
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28. A study of consumer smoking habits includes 186 people in
the 18-22 age bracket (42...
A study of consumer smoking habits includes 155 people in the 18-22 age bracket (42 of...
A study of consumer smoking habits includes 155 people in the 18-22 age bracket (42 of whom smoke), 131 people in the 23-30 age bracket (34 of whom smoke), and 85 people in the 31-40 age bracket (28 of whom smoke). If one person is randomly selected from this sample, find the probability of getting someone who is age 18-22 or does not smoke. 0.833 0.729 0.305 1.137
Homework Assignment Regarding Probability Addition Rule The following table summarizes results from a study of people...
Homework Assignment Regarding Probability Addition Rule The following table summarizes results from a study of people who refused to answer survey questions. Age Group 18-21 22-29 30-39 40-49 50-59 60 and over Responded 73 255 245 136 138 202 Refused 11 20 33 16 27 49 What is the probability that the selected person refused to answer or is in the 40-49 age bracket? What is the probability that the selected person responded or is in the 18-21 age bracket?...
12. Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster...
12. Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 92 people in the 18-21 age bracket and finds that 47 of them respond and 45 refuse to respond. When 261 people in the 22-29 age bracket are contacted, 213 respond and 48 refuse to respond. Suppose that one of the 353 people is randomly selected. Find the probability of getting someone in the 18 dash 21 age bracket or someone who responded....
Lung Cancer & Smoking Case Study A causal relationship between cigarette smoking and lung cancer was...
Lung Cancer & Smoking Case Study A causal relationship between cigarette smoking and lung cancer was first suspected in the 1920s on the basis of clinical observations. To test this apparent association, numerous epidemiologic studies were undertaken between 1930 and 1960. Two studies were conducted by Richard Doll and Austin Bradford Hill in Great Britain The first was a case-control study begun in 1947 comparing the smoking habits of lung cancer patients with the smoking habits of other patients. The...
2. A consumer survey randomly selects 2000 people and asks them about their income and their tele...
how
do i show work for this problem
2. A consumer survey randomly selects 2000 people and asks them about their income and their television-watching habits. The results are shown in the following table. The numbers within the table reflect people in various categories of TV-watching and annual income. As a reward for participation, each person is given a small prize. Then the names are placed in a box and one name is randomly selected to receive the grand prize...
@e 17. The table below describes the smoking habits of group of a sthma sufferers Occasional...
@e
17. The table below describes the smoking habits of group of a sthma sufferers Occasional Regular Heavy Total Gender Nonsmoker Smoker Smoker Smoker Men Women Total 52 2878 2442 130 786 92 138 408 56 84 If one people is randomly selected, find these probabilities. a) That the person is a women and beavy smoker. Write you answer with three decimal places b) That the person is a zmen given that it is occasional smoker. Write you answer in...
Harriet And Smoking Cessation This chapter’s case study demonstrates the usefulness of the Ecological Model and...
Harriet And Smoking Cessation This chapter’s case study demonstrates the usefulness of the Ecological Model and its interaction with individual-focused interventions, and it also draws together information from other models discussed in the chapter. The case study is presented in segments of a life course as well as an episodic perspective of factors involved in the case. It provides a perspective of the social changes that allow individual behavior changes to succeed, while also examining some of the processes involved...
A 10-year study conducted by the American Heart Association provided data on how age, blood pressure,...
A 10-year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking relate to the risk of strokes. Data from a portion of this study follow. Risk is interpreted as the probability (times 100) that a person will have a stroke over the next 10-year period. For the smoker variable, 1 indicates a smoker and 0 indicates a nonsmoker. Risk Age Blood Pressure Smoker 14 58 201 0 23 82 98 1 25 74...
A consumer preference study compares the effects of three different bottle designs (A, B, and C)...
A consumer preference study compares the effects of three different bottle designs (A, B, and C) on sales of a popular fabric softener. A completely randomized design is employed. Specifically, 15 supermarkets of equal sales potential are selected, and 5 of these supermarkets are randomly assigned to each bottle design. The number of bottles sold in 24 hours at each supermarket is recorded. The data obtained are displayed in the following table. Bottle Design Study Data A B C 16...
4 6 11 8 15 18 20 21 22 23 29 30 31 32 33 34...
4 6 11 8 15 18 20 21 22 23 29 30 31 32 33 34 35 36 38 44 48 "Cafe Colombiano" is an Colombian subsidiary of the U.S. firm "Comida Rica" which sells food products largely to Hispanic consumer markets in the U.S. Cafe Colombiano buys coffee beans directly from independently owned Colombian growers and then ships them to Florida where a Comida Rica facility processes them into instant coffee. The instant coffee is then sold under the...
A study of consumer smoking habits includes 155 people in the 18-22 age bracket (42 of whom smoke), 131 people in the 23-30 age bracket (34 of whom smoke), and 85 people in the 31-40 age bracket (28 of whom smoke). If one person is randomly selected from this sample, find the probability of getting someone who is age 18-22 or does not smoke. 0.833 0.729 0.305 1.137
Lung Cancer & Smoking Case Study A causal relationship between cigarette smoking and lung cancer was first suspected in the 1920s on the basis of clinical observations. To test this apparent association, numerous epidemiologic studies were undertaken between 1930 and 1960. Two studies were conducted by Richard Doll and Austin Bradford Hill in Great Britain The first was a case-control study begun in 1947 comparing the smoking habits of lung cancer patients with the smoking habits of other patients. The...
how
do i show work for this problem
2. A consumer survey randomly selects 2000 people and asks them about their income and their television-watching habits. The results are shown in the following table. The numbers within the table reflect people in various categories of TV-watching and annual income. As a reward for participation, each person is given a small prize. Then the names are placed in a box and one name is randomly selected to receive the grand prize...
@e
17. The table below describes the smoking habits of group of a sthma sufferers Occasional Regular Heavy Total Gender Nonsmoker Smoker Smoker Smoker Men Women Total 52 2878 2442 130 786 92 138 408 56 84 If one people is randomly selected, find these probabilities. a) That the person is a women and beavy smoker. Write you answer with three decimal places b) That the person is a zmen given that it is occasional smoker. Write you answer in...
4 6 11 8 15 18 20 21 22 23 29 30 31 32 33 34 35 36 38 44 48 "Cafe Colombiano" is an Colombian subsidiary of the U.S. firm "Comida Rica" which sells food products largely to Hispanic consumer markets in the U.S. Cafe Colombiano buys coffee beans directly from independently owned Colombian growers and then ships them to Florida where a Comida Rica facility processes them into instant coffee. The instant coffee is then sold under the...
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