The Following Decision Tree Has How Many State of Nature

question 2

Multiple Choice

The following decision tree has how many state of nature nodes?

• A)0
• B)1
• C)2
• D)3

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Definitions:

Type I Error

The statistical mistake of rejecting a null hypothesis when it is actually true, also known as a "false positive".

Type II Error

The error that occurs when the null hypothesis is falsely not rejected, missing the detection of an actual effect.

Probability

A measure expressing the likelihood of a particular event or outcome occurring.

Two-tailed Test

A statistical test that considers the possibility of both directions of effect (greater than or less than), assessing the significance of a deviation in either direction from a null hypothesis.