A study of 1252 consumers was conducted to examine online shopping habits during the winter holiday season. The cross-tabulation table below simulates results from a section of the study that focused on where consumers researched products and where they ended up purchasing the products.

a. Convert the cross-tabulation table to a joint probability table. Be sure to fll in the marginal values.
b. What percentage of consumers in the survey either purchased a product online or researched a product online or both?
c. What percentage of online purchasers did their research off-line?
d. Are research location and purchase location statistically independent?

Transcribed Image Text:

Purchase Location Research Location Online Off-line Store/ Catalog Online Retailer 375 258 Off-line Store/ Catalog 193 426