QUESTION IMAGE
Question
a company manufactures eyeglasses for different retailers. the number of days it takes to fix defects in an eyeglass and the probability that it will take that number of days are in the table.
| number of days | probabilities |
|---|---|
| 2 | 0.108 |
| 3 | 0.0912 |
| 4 | 0.1234 |
| 5 | 0.1333 |
| 6 | 0.1144 |
| 7 | 0.0696 |
| 8 | 0.0457 |
| 9 | 0.0192 |
| 10 | 0.0126 |
| 11 | 0.0095 |
| 12 | 0.0075 |
| 13 | 0.0064 |
| 14 | 0.0044 |
| 15 | 0.0017 |
| 16 | 0.0022 |
| 17 | 0.0012 |
| 18 | 0.0013 |
state the random variable.
the type of defect.
the probability that the defect occurs.
the number of days to fix the defect.
draw a histogram of the number of days to fix defects
A random variable is a variable whose possible values are numerical outcomes of a random phenomenon. Here, the data is about the number of days to fix defects and their probabilities. So the random - variable is the quantity that can vary randomly, which is the number of days to fix the defect.
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The number of days to fix the defect.