pleaseround to 4 decimal places thank you!!

20 points In a study at West Virginia University Hospital, researchers investigated smoking behavior of type numbers in the bones. cancer patients to create a program to help patients stop smoking. They published the results in Smoking Behaviors Among Cancer Survivors (January 2018, Journal of Oncology Practice). In this study, the researchers sent a 22-item survey to 1041 cancer patients. They collected demographic information (age, sex, ethnicity, zip code, level of education), clinical and smoking history, and information about quitting smoking. of the 1041 patients who were mailed surveys, 208 patients responded. For various reasons, researchers used only 187 of the completed surveys. 29 out of 95 female cancer patients reported being past smokers, and 51 out of 92 male cancer patients reported being past smokers. Calculate the difference between the corresponding sample proportions Bi-(female minus male). Round the answer to 4 decimal places