No more than one state of nature can occur at a given time for a chance event. This indicates that the states of nature are defined such that they are a. conservative events.
b. mutually exclusive.
c. independent outcomes.
d. collectively exhaustive.

b. mutually exclusive.

Step-by-step explanation:

The given description is an illustration of mutually exclusive events.

Take for instance, when you roll a die;

It is impossible to have an outcome of 2 and 6 at the same time; these means that 2 and 6 are mutually exclusive.

In a nutshell, when two or more sates of events/states of nature can not happen at the same time; such events/states of nature are mutually exclusive.

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

step-by-step explanation:

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