Question

what percentage of adults who smoke started by the age of 21?

what percentage of adults who smoke started by the age of 21?

Science   Nursing   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Historically, the proportion of adults over the age of 24 who smoke has been .30. In...
Historically, the proportion of adults over the age of 24 who smoke has been .30. In recent years, much information has been published and aired on radio and TV that smoking is not good for one's health. A sample of 650 adults revealed only 23 percent of those sampled smoked. Develop a 98 percent confidence interval for the proportion of adults who currently smoke. (Round your t-value to 2 decimal place and final answers to 3 decimal places.)   Confidence interval...
1. The unemployment rate measures: A. The percentage of working age adults who are unemployed. B....
1. The unemployment rate measures: A. The percentage of working age adults who are unemployed. B. The percentage of working age adults who are unemployed but not looking for work. C. The percentage of working age adults who are employed. D. The percentage of the labor force who do not have a job, but are looking for one. 2. What does the US unemployment rate range normally return to as the long-run average? A. Somewhere between 5% and 7%. B....
According to ”research” 90 % of adult cigarette smokers started smoking before the age of 21...
According to ”research” 90 % of adult cigarette smokers started smoking before the age of 21 years old. Ten smokers 21 years old or older are randomly selected and the number of smokers who started smoking before 21 is recorded. a.) What random variable models the number of smokers who began smoking before the age of 21 in the random sample of 21 adult smokers? b.) Write down the probability mass function for your answer in a.) c.) What is...
A researcher believes that the percentage of people who smoke in the South is greater than...
A researcher believes that the percentage of people who smoke in the South is greater than in the nation as a whole. The national rate is 15%. The researcher gathers a random sample of 110 individuals who live in the South and finds that the number who smoke is 21 out of 110. a. What statistical test should be used to analyze these data? b. Identify H0 and Ha for this study. c. Conduct the appropriate analysis. d. Should H0...
13. A polling company reported that 29​% of 1013 surveyed adults said that secondhand smoke is...
13. A polling company reported that 29​% of 1013 surveyed adults said that secondhand smoke is "very harmful." Complete parts​ (a) through​ (d) below. a. What is the exact value that is 29​% of 1013​? The exact value is______ ​(Type an integer or a​ decimal.) B. Could the result from part​ (a) be the actual number of adults who said that secondhand smoke is "very harmful"?. Why or why​ not? A.No, the result from part​ (a) could not be the...
Suppose 32 pregnant women are sampled who smoke an average of 21 cigarettes per day with...
Suppose 32 pregnant women are sampled who smoke an average of 21 cigarettes per day with a variance of 100.00. a) What is the probability that the pregnant women will smoke an average of 20 cigarettes or more? probability =   b) What is the probability that the pregnant women will smoke an average of 23 cigarettes or less? probability =   c) What is the probability that the pregnant women will smoke an average of 19 to 24 cigarettes? probability =  ...
The unemployment rate measures the percentage of: 1. people over age 21 who are without jobs...
The unemployment rate measures the percentage of: 1. people over age 21 who are without jobs and actively seeking for employment 2. people in the civilian labor force who are without jobs and actively seeking for employment 3. the civilian institutionalized population that is out of work and actively seeking for employment 4. the U.S. population that is out of work and actively seeking for employment 5. none of the answers given is correct
Of 147 adults selected randomly in one town, it was found that 31 of them smoke....
Of 147 adults selected randomly in one town, it was found that 31 of them smoke. What is the 95% confidence interval for the proportion of people in this town who smoke.
According to a study, 90 % of adult smokers started smoking before 21 years old. 11...
According to a study, 90 % of adult smokers started smoking before 21 years old. 11 smokers 21 years old or older are randomly selected, and the number of smokers who started smoking before 21 is recorded. 1. The probability that at least 7 of them started smoking before 21 years of age is 2. The probability that at most 3 of them started smoking before 21 years of age is 3. The probability that exactly 3 of them started...
According to a study, 80 % of adult smokers started smoking before 21 years old. 11...
According to a study, 80 % of adult smokers started smoking before 21 years old. 11 smokers 21 years old or older are randomly selected, and the number of smokers who started smoking before 21 is recorded. 1. The probability that at least 4 of them started smoking before 21 years of age is 2. The probability that at most 10 of them started smoking before 21 years of age is 3. The probability that exactly 4 of them started...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT