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

question 66

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 that there are more than 3 breakdowns?

• A) .07
• B).10
• C) .22
• D) .25

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