Could someone help me understand how to make a contigency table, I really want to learn and understand how they are used

Contigery ad Tround up (whdeprs Table 2: Sales and Margin Data Hearing Aids Low-end Margin 28% Unit Price 2015 Sales $525,000 $1,275,000 $360,000 $1,500 $3,000 $4,500 Mid-range High-end 42% 55% ssignment Construct a 2-by2 contingency table to determine the total number of people who fail the screening test and will be referred for diagnostic testing in the hearing centers. Construct a 2-by-2 contingency ble to determine the total number of people who fail the diagnostic test, which represents the target market for hearing aid sales. Create a sales forecast and income statement to assist in answering the following questions: a. Should Jack recommend this marketing campaign to senior management? Why or why not? b. If Timberline Health could increase the percentage of people who purchase hearing aids to 25% might Jack change his recommendation to senior management? Why or why not? c. What is the break-even point for this marketing campaign? Table 1: Vendor Equipment Specifications Equipment Portable audiology equipment for free screening Clinic-based audiology equipment for follow-up diagnostic testing Specificity 96% Sensitivity 92% 98% 98% Contigery ad Tround up (whdeprs Table 2: Sales and Margin Data Hearing Aids Low-end Margin 28% Unit Price 2015 Sales $525,000 $1,275,000 $360,000 $1,500 $3,000 $4,500 Mid-range High-end 42% 55% ssignment Construct a 2-by2 contingency table to determine the total number of people who fail the screening test and will be referred for diagnostic testing in the hearing centers. Construct a 2-by-2 contingency ble to determine the total number of people who fail the diagnostic test, which represents the target market for hearing aid sales. Create a sales forecast and income statement to assist in answering the following questions: a. Should Jack recommend this marketing campaign to senior management? Why or why not? b. If Timberline Health could increase the percentage of people who purchase hearing aids to 25% might Jack change his recommendation to senior management? Why or why not? c. What is the break-even point for this marketing campaign? Table 1: Vendor Equipment Specifications Equipment Portable audiology equipment for free screening Clinic-based audiology equipment for follow-up diagnostic testing Specificity 96% Sensitivity 92% 98% 98%