Joanne will not go out at night because she hears from her local news station about the large number of muggings and robberies that occur in her city. however, crime in joanne's city has actually gone down in the past few years. to which bias is joanne falling victim? a. the availability heuristic b. a mental set c. the representativeness heuristic d. functional fixedness

Joanne is falling victim to  the availability heuristic Bias
 the availability heuristic Bias refers to the tendency to rely on immediate examples to support a certain view rather than evaluating them logically.
This bias often make people fail to understand the core  cause of a certain problem which lead to them failing to make the appropriate solution for a certain occurence.