The number of machine breakdowns in a day is 0, 1, or 2, with probabilities 0.6, 0.3, and 0.1, respectively. The following random numbers have been generated: 13, 10, 02, 18, 31, 19, 32, 85, 31, 94
Use these numbers to generate the number of breakdowns for 10 consecutive days. What proportion of these days had at least one breakdown?
Breakdowns Interval of
Random Numbers
0 01-60
1 61-90
2 91-00
Breakdowns: 0, 0, 0, 0, 0, 0, 0, 1, 0, 2
Proportion at least 1 breakdown = 2/10 = 0.20
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