Direct mail advertisers send solicitations junk mail to thou

Direct mail advertisers send solicitations (junk mail) to thousands of potential customers hoping that some will buy the company\'s product. The response rate is usually quite low. Suppose a company wants to test the response to a new flyer and sends it to 1,000 randomly selected people. The company gets orders from 111 of the recipients and decides to do a mass mailing list to everyone on its mailing list of over 200,000. Create a 95% confidence interval for the percentage of those people who will order something.

The company is 95% confident that the proportion of people who may buy something is between ___% and ___%.

(Type integers or decimals rounded to one decimal place as needed. Use ascending order.)

Given sample size = 1000; number of success = 111

The 95% confidence interval for the percentage of those people who will order something is 9.2% and 13.1%

Data
Sample Size	1000
Number of Successes	111
Confidence Level	95%

Intermediate Calculations
Sample Proportion	0.111
Z Value	-1.95996398
Standard Error of the Proportion	0.00993373
Interval Half Width	0.019469754

Confidence Interval
Interval Lower Limit	0.091530246
Interval Upper Limit	0.130469754

$Direct mail advertisers send solicitations (junk mail) to thousands of potential customers hoping that some will buy the company\'s product. The response rate i$

Direct mail advertisers send solicitations junk mail to thou

Solution

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