Assuming the data follows a Normal distribution, what is the probability that the discharge is greater than or equal to 3,000 cfs? Report your answer as a whole number percentage.
Assuming the data follows a Normal distribution, what is the probability that the discharge is greater than or equal to 3,000 cfs? Report your answer as a whole number percentage.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Subject water system design

Transcribed Image Text:The table presents the annual daily mean discharge data for USGS Gage 08057000 (Trinity River at Dallas, TX) from the years 2012 to 2021. The discharge is measured in cubic feet per second (ft³/s).
| Year | Discharge (ft³/s) |
|------|-------------------|
| 2012 | 1,462 |
| 2013 | 818 |
| 2014 | 624 |
| 2015 | 6,840 |
| 2016 | 5,344 |
| 2017 | 1,534 |
| 2018 | 3,934 |
| 2019 | 4,190 |
| 2020 | 4,134 |
| 2021 | 2,749 |
The task is to assume this data follows a normal distribution and then calculate the probability that the discharge is greater than or equal to 3,000 cubic feet per second (cfs). The answer should be reported as a whole number percentage.
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