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Started By
Message
OT Math problem
Posted on 9/12/17 at 12:10 pm
Posted on 9/12/17 at 12:10 pm
Ran across an interesting, but relevant problem today studying for the PE.
What is the percent probability of a flood with a 100 year frequency occuring within 100 years?
A)100%
B)63%
C)37%
D)99%
What is the percent probability of a flood with a 100 year frequency occuring within 100 years?
A)100%
B)63%
C)37%
D)99%
36
Posted on 9/12/17 at 12:10 pm to NYNolaguy1
God dammit, not this shite again. 10+ pages
Posted on 9/12/17 at 12:10 pm to NYNolaguy1
'bout Tree-Fiddy
Posted on 9/12/17 at 12:11 pm to NYNolaguy1
0.999... = 1
Posted on 9/12/17 at 12:11 pm to NYNolaguy1
I think I'm going with A but it's probably wrong
Posted on 9/12/17 at 12:11 pm to NYNolaguy1
D
Posted on 9/12/17 at 12:11 pm to NYNolaguy1
B
Posted on 9/12/17 at 12:12 pm to NYNolaguy1
Lunchbox bat signal
Posted on 9/12/17 at 12:12 pm to NYNolaguy1
Please
Excuse
My
Dear
Auntie
Sha'neequita
Excuse
My
Dear
Auntie
Sha'neequita
Posted on 9/12/17 at 12:12 pm to NYNolaguy1
quote:
occuring
Why don't you try to pass Spelling before moving on to Math.
Posted on 9/12/17 at 12:13 pm to NYNolaguy1
There's a 50% chance that it happens 100% of the time.
Posted on 9/12/17 at 12:13 pm to NYNolaguy1
quote:
What is the percent probability of a flood with a 100 year frequency occuring within 100 years?
A)100%
B)63%
C)37%
D)99%
Posted on 9/12/17 at 12:14 pm to NYNolaguy1
The answer is B and idk why
Posted on 9/12/17 at 12:17 pm to NYNolaguy1
Well, if it's 100 years, wouldn't there be a 1% chance each year? So, 100 years, 100%?
A.
A.
Posted on 9/12/17 at 12:17 pm to NYNolaguy1
300%
Sincerely,
Houston, TX
Sincerely,
Houston, TX
Posted on 9/12/17 at 12:21 pm to NYNolaguy1
63%
1-((99/100)^100)= .634
1-((99/100)^100)= .634
Posted on 9/12/17 at 12:22 pm to NYNolaguy1
It's gonna be something like the % of one not occurring is .99. And that to the ^ 100 power is whatever and 1 minus that.
Posted on 9/12/17 at 12:22 pm to NYNolaguy1
quote:
What is the percent probability of a flood with a 100 year frequency occuring within 100 years?
.99^100 would be the probability of it NOT occurring... which rounds to 37%.
100% - 37% = 63% chance that it does happen.
Posted on 9/12/17 at 12:28 pm to NYNolaguy1
quote:
studying for the PE.
Discipline?
Posted on 9/12/17 at 12:30 pm to NYNolaguy1
If its "within" 100 years or 99.999 years its with 99% certainty.
If its 100 years period. It's 100% or 1 every 100 years.
Ahh shite LucasP nice!
Is that P distribution?
If its 100 years period. It's 100% or 1 every 100 years.
Ahh shite LucasP nice!
Is that P distribution?
This post was edited on 9/12/17 at 12:31 pm
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