McGraw Hill Connect-2023 Fall-ECO381-01: Business A.. Pearson MyLab and Mastering Homework and Tests Chapter 4 Exercises Saved 4 12.5 points eBook Hint A researcher at a marketing firm examines whether the age of a consumer matters when buying athletic clothing. Her initial feeling is that Brand A attracts a younger customer, whereas the more established companies (Brands B and C) draw an older clientele. She collects data on a customer's age (Age equals 1 if the customer is under 35, 0 otherwise) and the brand name of the athletic clothing (Brand equals A, B, or C). The accompanying data file shows the responses for 600 recent purchases. Click here for the Excel Data File a-1. Construct a contingency table that cross-classifies the data by Age and Brand. Provide the frequencies in the accompanying table. References Age A Brand B C 235 years old (0) 60 340 100 35 years old (1) 170 60 70 a-2. How many of the purchases were for Brand A? Number of purchases for Brand A 230 a-3. How many of the purchases were from customers under 35 years old? 4 5 ints a-3. How many of the purchases were from customers under 35 years old? Number of purchases under 35 years old 300 eBook Hint References b-1. Given that the customer was younger than 35 years old, what is the likelihood that the customer purchased Brand A? Note: Report the proportion rounded to 2 decimal places. Likelihood that the customer purchased Brand A 56.00 b-2. Given that the customer was younger than 35 years old, what is the likelihood that the customer purchased Brand B? Note: Report the proportion rounded to 2 decimal places. Likelihood that the customer purchased Brand B 20.00 b-3. Given that the customer was younger than 35 years old, what is the likelihood that the customer purchased Brand C? Note: Report the proportion rounded to 2 decimal places. Likelihood that the customer purchased Brand C Ac 23.00 Dray Minut b-3. Given that the customer was younger than 35 years old, what is the likelihood that the customer purchased Brand C? Note: Report the proportion rounded to 2 decimal places. Likelihood that the customer purchased Brand C 23.00 c. The figure below shows the stacked column chart for the data.