stastic 1
1.
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A web server hosting company advertises 99.999 percent guaranteed network uptime. |
| (a) |
How many independent network servers would be needed if each has 99 percent reliability? (Round your answer to the nearest whole number.) |
| Network servers | [removed] |
| (b) |
How many independent network servers would be needed if each has 90 percent reliability? (Round your answer to the nearest whole number.) |
| Network servers | [removed] |
[The following information applies to the questions displayed below.]
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The probability is 1 in 4,003,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 49,000 trips. |
2.
Required information
| (a) |
What is the probability of a fatal accident over a lifetime? (Hint: Assume independence.) (Round your answer to 4 decimal places.) |
| Probability | [removed] |
