The type of approach that Justine should use to improve her sales results is E. a lead score approach.
The lead score approach is a scoring methodology that determines the worthiness of leads or potential customers. It attaches values to these potential customers based on their previous sales behavior, especially relating to their interests in the firm's products or services.
A. a sales playbook approach
B. a sales forecast approach
C. a team selling approach
D. a sales force composite approach
E. a lead score approach
While these other sales approaches should be combined with a lead score approach, we conclude that a lead score approach would greatly improve her sales results.
Learn more about other different sales approaches at https://brainly.com/question/22521384