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How To: Estimate probabilities with the empirical rule

Learn how to use the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions in statistics. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of fre...

How To: Solve word problems that involve rounding to estimate differences

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve problems that require you to estimate differences by rounding.

How To: Judge & estimate a car repair time

In this video tutorial, viewers learn how to judge when it's time to repair a car. This topic is subjective, but it also depends on how big the dent is, how deep the dent is, how wide the dent is and many other factors. A way to find out is to place a 8 1/2" x 11" sheet of paper and place it over the dent. If the dent surrounds that whole area, that is about 2 hours of repair. This video will benefit those viewers who have a vehicle and just had an accident, and would like to learn how to est...

How To: Round to estimate sums in basic math

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to use rounding to estimate sums.

How To: Earn An Income By Writing Auto Repair Estimates

Collision Repair Related Careers When you think of a career in collision repair you probably think of a body repair or paint technician. However, there are a lot of related careers that collision repair can lead to. For Example, you can work in auto parts stores, dealerships, insurance companies, paint representatives, trainers, etc. In this article we are going to examine a career as an auto estimator.

How To: Examine a patient for vital signs

Any medical student could benefit from this video lesson, whether you're training to be a doctor or a nurse. The very first step to finding out what's wrong with your patient is examining him/her for their vital signs. You must check the patient's pulse, respirations, blood pressure, and know how to use every kind of sphygmomanometer. To see the entire examination procedure, perfect for nursing students, watch the video to see how to examine a patient for vital signs, and refer to the steps b...

How To: Use Google Earth

Google Earth is a great tool of the web, if you know how to use it the right way. Learn everything you need to know about using Google Earth in this powerful video series set to show you all the basic maneuvers and tricks to using the well known application. Google Earth is a cross-platform program, so the steps shown in this video series will work on Windows operating systems, as well.

How To: Install tile in your home

One way to update your living space is by installing new tiles. This video tutorial shows key strategies with tiling projects in your home. By planning material quantities you'll able to estimate the cost of your project. This instructional offers helpful tips on tile care, trimming and cutting, and how to safely use snap cutters and wet saws.

How To: Calculate what your maximum heart rate is

Your maximum heart rate is an important piece of information to know if you are exercising seriously and want to make sure you are going hard without damaging your body. This video will teach you an easy, conservative way to estimate your maximum heart rate. With this knowledge and a heart monitor you will be able to assess the quality of your workout more accurately.

How To: Sell your stuff on eBay

Turn your possessions into cash and become an online selling machine. You will need: Something to sell, a computer with internet access, an eBay account, a digital camera, shipping supplies, something to sell,a computer with internet access, an eBay account, a digital camera, & shipping supplies.

How To: Determine your VO2 maximum

Backpacker magazine associate editors Jason Stevenson and Shannon Davis demonstrate how to estimate your VO2 Max in this April 2007 SkillsCast. Find out how a simple running test can determine your VO2 Max, and why raising your score can make you a better backpacker, increase your endurance and fitness level.

How To: Measure your torso length for pack fitting

Knowing your torso length is crucial to finding the best-fitting backpack for your body type. Don't estimate a pack size using the clothing standbys of tall, medium, and petite: a 6-foot guy can have a shorter torso length than a 5'10" woman. Backpacker's Gear editor Kristin Hostetter explains the correct way to measure your torso length. Learn more important skills with Backpacker's Gear School videos - straight from the pages of the March 2007 Gear Guide.

How To: Preorder the New Apple AirPods on Amazon for Faster Delivery Than the Apple Store (Update: It's Now the Slowest)

Compared to the original AirPods, Apple's second-generation AirPods have better battery life, Hey Siri support, a more stable connection, faster switching between devices and call connections, less latency for gaming, and an optional Wireless Charging Case. If you plan on preordering the new model, you might want to skip the Apple Store and opt for Amazon instead to get it at your door quicker.

How To: Tie a necktie the easy way

In this tutorial, we learn how to tie a necktie the easy way. The first step is to take your tie and estimate how long you want it to be. Now, lay the tie on a flat surface and take the bottom of the diamond on the tie and flip it under to create a loop. Now, take the long end of the tie and create a loop the opposite direction. Now you should have two loops. Next, turn the second loop upside down and twist it into the other loop. Pull the fabric through the top hole on the loop and then slid...

How To: Make an evelope without scissors

This video will show you how to make an envelop without using any scissors. You’ll just have to fold the paper into a diamond and fold in all of the points to the intersection line. At about the halfway point fold the bottom half up and the top flap half way down. You’ll have to estimate that manuver to get the envelope look. The great thing about folding your own envelop is you can make it out of whatever you’d like including colorful magazine pages.

How To: Calculate percentages in your head

This video explains how to calculate percentages in your head. To calculate a percentage in your head, start by breaking the percentage off into smaller units. For example 25% is 10 + 10 + 5. 30% is 10, 10, and 10. Now you have numbers you can easily work with in your head. Find 10% of the number. This is easily done by one of two methods. You can either move the decimal point one place to the left or you can drop the last number. Dropping the last number sometimes gives you an estimate, thou...

How To: Start your own business

There's nothing better than being your own boss some say. If you are ready for the risks and the work, take your passion to the next level and start your own business. Learn how to start your own business with help from this video.

How To: Calculate your carbon footprint

Watch this video tutorial to learn how to calculate your carbon footprint. A carbon footprint is an equation that estimates just how much you, personally, are contributing to global warming—and all you have to do is plug some info into an online calculator. Figuring out how to make your footprint smaller, of course, is another matter.

How To: Use a grazing stick

Dr. Keith Johnson show how to use a grazing stick to estimate the amount of usable forage for a grazing animals is available in a pasture. Learn how to determine how much feed for livestock can be found in a field with this simple tool.

How To: Use Traffic Analysis to Defeat TOR

As was mentioned by the great OTW last week, TOR, aka The Onion Router, has had its integrity attacked by the NSA. In an attempt to reduce the anonymity granted by the service, the NSA has opened a great many nodes of their own. The purpose is presumably to trace the origin of a communication by compromising some entrance and exit nodes. Once both are compromised, it is much easier to correlate traffic with a particular individual.

How To: Convert Farenheit to Celsius in your head

This video tutorial is in the Education category which will show you how to convert Fahrenheit to Celsius in your head. This method is a good estimate for converting temperatures. However, do not use this for accurate temperature conversions. Let's say you want to convert 22 degree Celsius to Fahrenheit. 1st step is to double the figure, that is, add 22 plus 22 which is 44. Next add 44 with 30, which gives the result 74. So, 22degree Celsius is equal to 74 degree Fahrenheit. Similarly, 32 deg...

How To: Count cards

If you think that card counting is only a thing in the movies then think again. You too can try a couple of methods to help you count cards. Like anything, the more you work on it the better you will be.

How To: Free up hard drive space using WinDirStat

Stan shows an easy way to see and clean the files that are hogging hard drive space in the computer using a free software called "windirtstat". Now enter the following address in the web browser "windirtstat.info" and scroll down the page until you get the downloading and installing section. Click on the link "windirtstat1.1.2Setup(Ansi&Unicode)" which will be right after the "for all flavors of windows" this will direct you to "SOURCEFORGE.NET" download creations. This will ask you to save t...

How To: Apple's AirTags Are Ready to Preorder on Amazon & Other Online Stores — Get Some Before They Sell Out!

If you have no intention of getting personalized engravings on your AirTags, you don't need to shop on the Apple Store unless you have an Apple Card you want to earn Daily Cash with. Best Buy. Target. Adorama. B&H Photo. All of those places will let you preorder AirTags now but so does Amazon, America's second-biggest retailer, a good choice whether you have Amazon Prime or not.

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