Question

The 2010 General Social Survey asked 1241 US residents: "Do you think the use of marijuana...

The 2010 General Social Survey asked 1241 US residents: "Do you think the use of marijuana should be made legal, or not?" Of the respondents, 585 said it should be made legal. Construct a 95% confidence interval for the proportion of US residents who think marijuana should be made legal, and interpret it in the context of the data. Round your results to four decimal places.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Answer:

Given that:

The 2010 General Social Survey asked 1241 US residents: "Do you think the use of marijuana should be made legal, or not?" Of the respondents, 585 said it should be made legal.

Sample proportion =

Level of significance

Critical value Z =1.96

95% confidence interval is

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
The 2010 General Social Survey asked 1208 US residents: "Do you think the use of marijuana...
The 2010 General Social Survey asked 1208 US residents: "Do you think the use of marijuana should be made legal, or not?" Of the respondents, 585 said it should be made legal. 1. The value 48.43% is a... A. sample statistic B. population parameter 2. Construct a 95% confidence interval for the proportion of US residents who think marijuana should be made legal, and interpret it in the context of the data. Round your results to four decimal places. (...
1) Mental health. The 2010 General Social Survey asked the question: “For how many days during...
1) Mental health. The 2010 General Social Survey asked the question: “For how many days during the past 30 days was your mental health, which includes stress, depression, and problems with emotions, not good?” Based on responses from 1,151 US residents, the survey reported a 95% confidence interval of 3.40 to 4.24 days in 2010. (a) Interpret this interval in context of the data. (b) What does “95% confident” mean? Explain in the context of the application. (c) Suppose the...
In 2002 General Social Survey asked, "what do you think is the ideal number of children...
In 2002 General Social Survey asked, "what do you think is the ideal number of children for a family to have?" The 30 females who responded had a mean of 3.08 and a standard deviation of 1.91. a) Are the conditions met by his data to calculate a 90% confidence interval for the population mean? Explain b) Regardless of what your answer to part (a) is, compute a 90% interval for the population mean. c) How many females should be...
A recent survey was conducted and the main question asked was "Do you think the use...
A recent survey was conducted and the main question asked was "Do you think the use of marijuana should be made legal, or not?" The poll results are summarized below. Response Count Yes 558 No 367 Undecided 90 At the 1% significance level, do these poll results provide sufficient evidence to support the claim that a majority (i.e., more than half) of U.S. residents are in favor of legalizing marijuana? 1. Define the parameter of interest and state the null...
1. A recent survey of students asked about the use of marijuana. Of the 600 women...
1. A recent survey of students asked about the use of marijuana. Of the 600 women sampled, 450 responded that they chose to notuse marijuana. The proportion of women not using marijuana is ______.____ %2. The margin of error (95%) of this estimate is ______.____ %3. The 95% confidence interval for the proportion is from ______.____ % to ______.____ % Sarah believes that 60% of women students choose to not use marijuana. Select and complete one of the following statements...
According to the 2008 General Social Survey 252 out of 485 respondents aged 19-39 think it...
According to the 2008 General Social Survey 252 out of 485 respondents aged 19-39 think it is a good idea for the elderly to live with their children. Only 131 out of 361 adults aged 60 or older think it is a good idea for the elderly to live with their children. Calculate and interpret a 99% confidence interval for the difference in the proportion of younger and older Americans who think it is a good idea for the elderly...
In a survey of 1022 US Adults, 779 think the US should put more enphasis on...
In a survey of 1022 US Adults, 779 think the US should put more enphasis on producing energy from solar power. a. Find the point of estimate for the population p of US adults whothink rhat there should be more governmental emphasis on solar power. Round to 3 decimal places. b. construct a 90% confidence interval fir the population proportion. Interpret your results.
The 2012 General Social Survey asked, “What do you think the ideal number of childrenfor a...
The 2012 General Social Survey asked, “What do you think the ideal number of childrenfor a family to have?” The 590 females who gave a numeric response from 0 to 6 had a median of 2,mean of ̄x= 2.56, and standard deviation ofs= 0.84. e) Based on the confidence interval (2.49, 2.62), is it plausible that the population meanμ= 2?Explain. f) Based on the confidence interval (2.49, 2.62), is it plausible that the population meanμ= 2.5?Explain. g) For males, the...
he 2012 General Social Survey asked, “What do you think the ideal number of childrenfor a...
he 2012 General Social Survey asked, “What do you think the ideal number of childrenfor a family to have?” The 590 females who gave a numeric response from 0 to 6 had a median of 2,mean of ̄x= 2.56, and standard deviation ofs= 0.84.a) Two assumptions of confidence interval is : random sample, normal population. General SocialSurvey used a random sample. Do you think this population distribution of ”ideal number ofchildren” satisfy the normality assumption? Why or why not?b) What...
A survey asked subjects if they would be willing to accept cuts in their standard of...
A survey asked subjects if they would be willing to accept cuts in their standard of living to protect the environment, 344 of 1170 subjects said yes. a. Estimate the population proportion who would answer yes. b. Find the margin of error for a 95% confidence interval for this estimate. c. Find a 95% confidence interval for that proportion. d. Interpret the confidence interval in context.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT