2. A bank wants to determine which age groups among its customers are using their on-line bankingservices. They select a simple random sample of customers from four age groups and ask each person ifthey do most of their banking on-line or at their local branch bank. Here are the results:Preferred banking methodOn-lineBranch bankTotalUnder 303753AgeGroup 31 - 45(years) 46 - 6016183856192645Over 60228.30Total75109184(a) In the table below, provide the appropriate conditional distributions for comparing the bankingpreferences of the four age groups, based on the data above.Preferred banking methodBranch bankOn-lineAgeGroup 31 - 45(years)Under 3046 - 60Over 60(b) Perform the appropriate statistical test to determine if there is a difference in the bankingpreferences of these four age groups.

A bank conclude an experiment in which they randomly select customers and note their preferred…

2. A bank wants to determine which age groups among its customers are using their on-line banking services. They select a simple random sample of customers from four age groups and ask each person if they do most of their banking on-line or at their local branch bank. Here are the results: Preferred banking method Branch bank On-line Total Age Group 31 - 45 (years) 46 - 60 Under 30 16 37 53 18 38 56 19 26 45 Over 60 22 8. 30 Total 75 109 184