Question

A marketing survey involves product recognition in New York and California. Of 560 New Yorkers surveyed,...

A marketing survey involves product recognition in New York and California. Of 560 New Yorkers surveyed, 195 knew the product while 195 out of 600 Californians knew the product. a. Construct a 90% confidence interval. b. At the 0.05 significance level, test the claim that the recognition rates are the same in both states.

a. Construct a 90% confidence interval

b. At the 0.05 significance level, test the claim that the recognition rates are the same in both states

Math   Statistics-And-Probability   
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
A marketing survey involves product recognition in New York and California. Of 558 New Yorkers surveyed,...
A marketing survey involves product recognition in New York and California. Of 558 New Yorkers surveyed, 202 knew the product while 196 out of 614 Californians knew the product. At the 0.05 significance level, test the claim that the recognition rates are higher in New York than the recognition rates in California.
A marketing survey involves product recognition in New York and California. Of 932 New Yorkers surveyed,...
A marketing survey involves product recognition in New York and California. Of 932 New Yorkers surveyed, 285 knew the product while 602 out of 147 Californians knew the product. At the 11% significance level, use the critical value method to test the claim that the recognition rates are the same in both states. Use table
Assume that the samples are independent and that they have been randomly selected. A marketing survey...
Assume that the samples are independent and that they have been randomly selected. A marketing survey involves product recognition in New York and California. Of 558 New Yorkers surveyed, 193 knew the product while 196 out of 614 Californians knew the product. At the 0.05 significance level , test the claim that the recognition rates are the same in both states.
A marketing survey involves product recognition for Eddy's Ice Cream in California. A survey was run...
A marketing survey involves product recognition for Eddy's Ice Cream in California. A survey was run and 75 out of 112 Californians knew the product. Using a 0.02 significance level, test the claim that more than 60% of Californians recognize Eddy's Ice Cream. At the end of your work, write a one or two sentence summary in non-statistical language to describe what you have found, not how you found it. Your audience is people who have never had a statistics...
In the city of New York, they randomly surveyed 50 people on how much money they...
In the city of New York, they randomly surveyed 50 people on how much money they have in their wallet. The results of the survey yielded a mean of $85 and a standard deviation of $52. Find a 90% confidence interval estimate of the mean number of dollars in all of the wallets of New Yorkers.
As of Friday morning, health officials have confirmed at least 39,140 total cases in New York...
As of Friday morning, health officials have confirmed at least 39,140 total cases in New York State. The estimated population of the state was19.45 million residents in 2019. 1- Construct a 99% confidence interval of the percentage of New Yorkers likely infected and interpret your results. National Institute of Allergy and Infectious Diseases director Anthony Fauci says 1/1000 New Yorkers likely infected. 2- Many others claim that the percentage of infected New Yorkers is higher than what Dr. Fauci says....
A sample of 75 New York public school teachers was surveyed about their salaries. Their mean...
A sample of 75 New York public school teachers was surveyed about their salaries. Their mean salary was $65467 with a standard deviation of $5130. a. Use the Confidence Interval Calculator and a 90% confidence level to estimate the population mean salary. $65467 +/- $ b. Use a 95% confidence level to estimate the population mean salary. $65467 +/- $ c. Use a 99% confidence level to estimate the population mean salary. $65467 +/- $
The author randomly selected 150 females and 150 males from the California Health Survey and obtained...
The author randomly selected 150 females and 150 males from the California Health Survey and obtained these results: Among the 150 females, the mean age is 59.6 years and the standard deviation is 17.7 years: among the 150 males, the mean age is 59.1 years and the standard deviation is 16.9 years. Using a 0.05 significance level, is there sufficient evidence to support the claim that the mean age of an adult California female is the same as the mean...
Corona virus has affected different states differently in the U.S. In New York out of 142...
Corona virus has affected different states differently in the U.S. In New York out of 142 ICU hospitalizations for Corona there were 9 deaths. In California out of out of 268 ICU hospitalizations for Corona there were only 5 deaths. President Trump claims that there is no significant difference between proportion of deaths among ICU patients in the two states. Test his claim at 0.02 significance level. Write the null hypothesis to test his claim and state your conclusion.
Corona virus has affected different states differently in the U.S. In New York out of 142...
Corona virus has affected different states differently in the U.S. In New York out of 142 ICU hospitalizations for Corona there were 9 deaths. In California out of out of 268 ICU hospitalizations for Corona there were only 5 deaths. President Trump claims that there is no significant difference between proportion of deaths among ICU patients in the two states. Test his claim at 0.02 significance level. Write the null hypothesis to test his claim and state your conclusion.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT