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# Rock Or Something

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Active duty, company grade Marine Officer. Prior enlisted. Joint-service background. Areas of experience include small unit dismounted operations, operating with foreign forces, fire support, close air support (JTAC), hand to hand combat (MCMAP MAI), civil military operations, water survival training (MCIWS), and counterinsurgency. Though I attempt to 'stay in my lane,' My views do not necessarily reflect DoD or USMC policy. I am here to help people understand the modern military, modern warfare, and guide them in pursuit of goals that will help us win wars. If you have a specific question, post it, and e-mail me to notify me of it. Read the following books: A Message to Garcia - Elbert Hubbard The Enchiridion - Epictetus Gates of Fire - Stephen Pressfield Warrior Elite/Chosen Soldier - Dick Couch One Bullet Away - Nate Fick Elite fitness starts here: http://www.crossfit.com

• ### Basic Probability Problem/Formulae...almost 2 decades of cobwebs?

Need help re-caging my brain on how to calculate basic probability. Google links sucked.

Scenario in question: Three teammates are taking a test. Each has an 80% chance of passing said test. The whole team passes if two of them pass. What is the % chance of them passing?

I calculated it as follows, but feel like this answer is so covered in mental cobwebs that I need insecticide and and a shower:

4/5 chance of passing (Operator A) x 4/5 (Operator B) x 4/5 (Operator C) = 64/125 = 51.2% chance of all three passing.

4/5 x 4/5 = 16/25 = 64% chance of second two passing if first one failed...but how to calculate for the first dude's chances, and thus the overall problem? Throw in another 1/5 and get 16/125 for failure %, and gives me 87.2% success rate? That passes the sniff test...but I'm shaky on the math.

Thanks for the help in advance. Right answer gets an AMA on my area of expertise :-)

1 AnswerMathematics8 years ago
• ### Ethics of going to a store for knowledge on a product, but buying the product elsewhere?

My local bike shop is run by a cadre of very experienced guys. They sized me (using a ton of professional measurements, computers, etc.) for a bike (\$1100) that I ended up buying used on Craigslist (\$700), so I made sure to go to them when I got it fit to me and bought accessories.

The shop's owner spent 3 hours with me today, during a busy early-spring day where his shop was slammed. He installed aero bars (which I recieved as a gift), installed a seat (purchased from him), and adjusted every damn piece of the bike to my body. We spent 45 minutes on the seats alone, and I tried three different ones on the machine in his shop, and on the roads outside.. He taught me a lot, and really took his time to get it right. I ended up paying him for fitting the bike (\$150), a seat (\$115), and the shorts (\$60).

When I got home, my wife did some comparison shopping for the seat. She found it for \$80, shipped. She said I should return it and buy the cheaper on online. I have an ethical problem with doing this, as I received a service from the shop (knowledge, testing, guidance, etc.)

What do you think? What are the ethics of going to a professional store for knowledge on a product, but buying the product elsewhere?

2 AnswersSmall Business1 decade ago
• ### What do these ranks mean?

Adam = CAPT

Bob = CPT

Charlie = Capt

Dave = LtCol

Edgar = LTC

Frank = Lt Col

Who is what paygrade, and in what service?

6 AnswersMilitary1 decade ago
• ### TMO savvy folks - What are my options for moving prior to PCS orders?

Stationed in Camp Lejeune, NC. Current plan is to sell CLNC-area house before deployment, and my wife will live with my parents from this fall until we go to my actual duty station in early '13. 1/2 of our household goods will go to storage, and 1/2 will go with her. Our duty station is in Germany...can't exactly do a DITY move. Adding even more complexity, I'm executing an inter-service transfer in Jun '11, and will be in Benning for ~6 months then Bragg for ~12.

I'm going to swing by the TMO office tomorrow, but if previous experience is any indication, they'll have no clue what to do and no inclination to find out. Any of y'all have experience/info on what my options are?

1 AnswerMilitary1 decade ago
• ### What does this quote from C.S. Lewis mean? Is he right?

"Do not scold, like a kitchen-girl. No warrior scolds. Courteous words or else hard knocks are his only language."

3 AnswersMilitary1 decade ago
• ### Army/Air Force swim quals?

I'm graduating from MCIWS (USMC's swim instructor school) this Friday, and I just realized I have no idea what Army/Air Force does for swim quals. Someone please clue me in?

3 AnswersMilitary1 decade ago
• ### How do you record your golf stats?

What do y'all use to track your golf stats? I've played around with several online stats trackers, but can't find one that will accept 9-hole rounds as well as 18 holes. I'm damn close to just making one in Access.

5 AnswersGolf1 decade ago
• ### Why do Questions and Answers that violate community guidelines rarely get deleted?

Politics is divisive, and military issues are even more so. It's to be expected that people are going to post hateful, angry, inflammatory questions, and even questions that are really just rants in the guise of a question.

But that's what moderators are for, right? That's what "Report Abuse" is for, right? Unfortunately, the system is not working. We just had a board leader (SFC_Ollie) quit because his questionable post was removed, while dozens of flagrant violations go un-noticed every hour.

Who is supposed to be responding to our abuse reports? Why are they not doing so? Is there any way to delegate such authority to members of our community like Mrs. JVB, Perro Del Lava, etc.?

3 AnswersYahoo Answers1 decade ago
• ### Is 'victory' in Afghanistan a binary outcome?

Or is there grey area between 'victory' and 'defeat?'

What constitutes 'victory'?

5 AnswersMilitary1 decade ago
• ### Ladies Golf Club Shopping?

Wife is just getting into golf. Natural athlete...1st round ever, she shot 114. Looking to get her a set of clubs that she won't outgrow too soon, but won't break the bank either. Can y'all recommend a set for us?

5 AnswersGolf1 decade ago
• ### Is being naturally rebellious a useful quality in modern warfare?

How about in classic, industrial warfare? If so, how? If not, why not?

Best answer gets points. Fantastic answers get a USMC boonie cover and a cookie mailed to them.

5 AnswersMilitary1 decade ago
• ### How to explain that "2 + 2 = 4" is not a matter of opinion? How do you describe that capital-t Truth exists?

Me: "2 + 2 = 4"

Obtuse one: "No it isn't. You can't prove that. You can't prove anything. Nothing is knowable."

Please arm me.

9 AnswersPhilosophy1 decade ago