As shoppers left a supermarket, they were asked if they used a shopping list and if they bought more items than they expected. The table contains the results.


Bought only the expected items Bought more items than expected
Bought one expected item Bought more expected items Row Totals
Had a shopping list 0.43 0.17 0.60
Did not have a shopping list 0.22 0.18 0.40
Column Totals 0.65 0.35 1.00


If a customer purchased more items than planned, what is the likelihood that the customer used a shopping list? Round your answer to two decimal places.
0.66
0.49
0.28
0.17