Question

A survey done one year ago showed that 45% of the population participated in recycling programs....

A survey done one year ago showed that 45% of the population participated in recycling programs.
In a recent poll a random sample of 1250 people showed that 598 participate in recycling programs. Test
the hypothesis that the proportion of the population who participate in recycling programs is greater
than it was one year ago. Use a 5% significance level.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Q1) Suppose a production line operates with a mean filling weight of 16 ounces per container....
Q1) Suppose a production line operates with a mean filling weight of 16 ounces per container. Since over- or under-filling can be dangerous, a quality control inspector samples of 24 items to determine whether the filling weight must be adjusted. The sample revealed a mean of 16.32 ounces with a sample standard deviation of 0.8 ounces. Using a 0.10 level of significance, can it be concluded that the process is out of control (not equal to 16 ounces)? Q2) A...
A recent survey by a polling agency showed that 20% of people in Germany had a...
A recent survey by a polling agency showed that 20% of people in Germany had a face mask and wore it when going outside while only 16% of people in the UK had and wore a face mask. They survey was based on interviews with 1,800 people from each country. Use the four-step approach to test the hypothesis that the proportion of people who wore a face mask in Germany was higher than the proportion of people in the UK....
Part A The proportion of customers who are completely satisfied in a recent satisfaction survey of...
Part A The proportion of customers who are completely satisfied in a recent satisfaction survey of 300 customers at XYC Inc. is found to be 0.26. (6 points) Test the hypothesis that the population proportion of customers who are completely satisfied is greater than 0.22 using the critical value approach and a 0.05 level of significance. Test the hypothesis that the population proportion of customers who are completely satisfied is less than 0.30 using the p-value approach and a 0.05...
proportion of customers who are completely satisfied in a recent satisfaction survey of 400 customers at...
proportion of customers who are completely satisfied in a recent satisfaction survey of 400 customers at XYC Inc. is found to be 0.24. (6 points) Test the hypothesis that the population proportion of customers who are completely satisfied is greater than 0.21 using the critical value approach and a 0.05 level of significance. Test the hypothesis that the population proportion of customers who are completely satisfied is less than 0.28 using the p-value approach and a 0.05 level of significance....
A survey of nonprofit organizations showed that online fundraising increased in the past year. Based on...
A survey of nonprofit organizations showed that online fundraising increased in the past year. Based on a random sample of 55 nonprofit​ organizations, the mean​ one-time gift donation in the past year was ​$75, with a standard deviation of ​$20. a. If you test the null hypothesis at the 0.01 level of​ significance, is there evidence that the mean​ one-time gift donation is greater than $70​? b. Interpret the meaning of the​ p-value in this problem.
A recent survey of 200 randomly selected households showed that 8 had a single male as...
A recent survey of 200 randomly selected households showed that 8 had a single male as the head of household. Forty years ago, a survey of 200 randomly selected households showed that 6 had a single male as the head of household. Use a 0.05 significance level to test the claim that the proportion has changed. Find the P-value.
A survey conducted five years ago by the health center at a university showed that 18%...
A survey conducted five years ago by the health center at a university showed that 18% of the students smoked at the time. This year a new survey was conducted on a random sample of 200 students from this university, and it was found that 50 of them smoke. We want to find if these data provide convincing evidence to suggest that the percentage of students who smoke has changed over the last five years. What are the test statistic...
Historically, the percentage of U.S. residents who support stricter gun control laws been 54%.A recent Gallup...
Historically, the percentage of U.S. residents who support stricter gun control laws been 54%.A recent Gallup Poll of 1011 people showed 499 in favor of stricter gun 10% control laws. Assume the poll was given to a random sample of people. Test the claim that the proportion of those favoring stricter gun control has fallen. Perform a hypothesis test, using a significance level of 1%
The Graduate Management Admission Council (GMAC) conducted an extensive and representative survey of first-year students in...
The Graduate Management Admission Council (GMAC) conducted an extensive and representative survey of first-year students in MBA programs. This study reported that the mean age of first-year MBA students was 27 years. A random sample of 45 first-year MBA students at a particular Eastern school had a mean age of 27.6 years and a standard deviation of 1.5 years. Is this sufficient evidence, at the 0.01 level, that the mean age of all first-year MBA students at this school is...
In 2015, 63.8% of people were homeowners. In a survey done recently of 500 random Americans,...
In 2015, 63.8% of people were homeowners. In a survey done recently of 500 random Americans, 325 said they owned their home. Is there evidence that the proportion of people who own their home has risen since 2015? Use a significance level of 0.1 and make sure you check necessary criteria.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT