Question: The table below represents the probability distribution for machine breakdowns in a day of operation. Number of breakdowns Probability Interval of Random Numbers 0 0.20

The table below represents the probability distribution for machine breakdowns in a day of operation.

Number of breakdowns Probability Interval of Random Numbers
0 0.20 1-20
1 0.30 21-50
2 0.35 51-85
3 0.15 86-00

What is the probability of at least one breakdown?

Group of answer choices

0.5

0.8

0.3

0.2

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