Which of the following events or conditions increases the probability of an insured's loss?

The correct choice is based on the concept of hazards in insurance. A hazard refers to a condition or situation that increases the likelihood of a loss occurring. It can be categorized into physical hazards, moral hazards, and morale hazards.

For example, in the context of physical hazards, a person living in an area prone to flooding is considered to have a greater risk of loss due to the physical characteristics of their environment. Similarly, moral hazards involve factors related to an individual's behavior, such as dishonesty or risky activities that could lead to a loss.

Other terms, while related to the insurance field, do not directly indicate an increase in the probability of loss. Risk encompasses the overall chance of loss, but it doesn't specify the cause. Exclusions are specific conditions or circumstances that a policy does not cover. Peril refers to the actual cause of a loss, such as fire or theft, rather than a condition that increases the likelihood of that event occurring. Thus, the correct answer highlights the influential role of hazards in increasing loss probability in insurance.