Two Hundred Simulation Runs Were Completed Using the Probability of a Machine

question 51

Multiple Choice

Two hundred simulation runs were completed using the probability of a machine breakdown from the table below. The average number of breakdowns from the simulation trials was 1.93 with a standard deviation of 0.20.
$$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { No. of } \\\text { breakdowns } \\\text { per week }\end{array} & \text { Probability } & \begin{array} { c } \text { Cumulative } \\\text { probability }\end{array} \\\hline 0 & .10 & .10 \\\hline 1 & .25 & .35 \\\hline 2 & .36 & .71 \\\hline 3 & .22 & .93 \\\hline 4 & .07 & 1.00 \\\hline\end{array}$$
-What is the probability of 2 or fewer breakdowns?

• A) .25
• B) .35
• C) .36
• D) .71

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Definitions:

Reality Principle

A psychoanalytic concept suggesting that ego makes decisions based on the reality of the world, taking into account societal norms and laws.

Gratification Delay

The ability to resist the temptation for an immediate reward and wait for a later reward.

Ego

In psychoanalytic theory, a part of the personality that mediates between external reality, the id, and superego, and is responsible for realistic and socially appropriate behavior.

Amoral

Lacking moral sense; unconcerned with the rightness or wrongness of something.