A)2000
B)10

question 81

Multiple Choice

$$\begin{array} { r | l c r r } \mathrm { x } & 4 & 8 & 12 & 16 \\\hline \mathrm { P } ( \mathrm { X } = \mathrm { x } ) & 0.1 & 0.4 & 0.1 & 0.4\end{array}$$

• A)20.00
• B)10.00
• C)11.20
• D)0.25
• E)9.80

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Definitions:

Overconfidence

The phenomenon where an individual's subjective confidence in their judgments is reliably greater than their objective accuracy.

Representativeness Heuristic

A cognitive shortcut that involves judging the probability of an event by how closely it matches one's prototype of that event.

Confirmation Bias

A propensity for selecting, interpreting, favoring, and recollecting data that affirms one's previously held beliefs or suppositions.

Fixation

In psychology, a persistent focus of attention or obsession on an object or subject.