Solve Probability Word Problems

How To : Solve direct variation model word problem

This video walks you through the steps of solving direct variation model word problem. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will ma ...more

How To : Solve a linear equation word problem in algebra

This math lesson is designed to provide middle school teachers with free resources for teaching linear equations. Students can use this free resource to better understand how to solve simple equations while preparing for the upcoming CRCT test. The above video demonstrates ho ...more

How To : Solve a proportion word problem in algebra

In this math lesson we will learn how to solve a proportion word problem. Watch the video to learn how to set up a proportion, solve it, and interpret the answer. Definition A proportion is a statement that two ratios (or fractions) are equal. The cross products of the terms ...more

How To : Solve an inequality word problem in algebra

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 ...more

How To : Solve a percent word math problem in algebra

A middle school has 1200 students. Of these, 25% are in the eighth grade. Yesterday, 95% of all eighth graders were present. How many eighth-grade students were absent yesterday? Solution First, we need to find the total number of eighth grade students at this school. 25% o ...more

How To : Find a P-Value with Excel

So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis. Probability valu ...more

How To : Master sixth grade mathematics

Math class got you down? We all know sixth grade mathematics is where we all start to lose it. We get frustrated with all of those numbers, try to figure it out, but ultimately flunk out or barely pass the class. Maybe the teacher just wasn't good enough to educate us, who kno ...more

How To : Troubleshoot leaky and dripping taps

Dripping taps can drive you mad, as well as waste water and stain your sink. Luckily, leaking taps can easily be sorted out once you've worked out what's wrong. Watch this video tutorial for tips on how to deal with dripping and leaking taps. Step 1: The modern style tap, one ...more

How To : Dominate the New York Times Crossword Puzzle

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

How To : Use probability of dependent events

In this video you will learn how to use probability of dependent events. The video starts with a small advertisement to there website http://www.yourteacher.com. Then its followed up by a math instructor taking you through a example problem to help you understand how you can b ...more

How To : Solve compound inequalities in algebra

In this math lesson, you will learn how to solve compound inequality problems. A compound inequality is a combination of two inequalities joined together by the words “and” or “or”. Examples of compound inequalities: First example: 2x-3<5 and x+14>11 Second example: 5m>65 o ...more

How To : Solve direct proportions

You can solve any proportion using the fundamental rule of proportions. First you must build the proportion if you are given a word problem. Decide using logic whether it is a direct proportion (more on one side means more on the other). If so, find the parts of the equation t ...more

How To : Calculate the probability of two dependent events

This video explains how to solve the problem of probability dependent events. In this video the problem is that a box contains three pens, 2 markers, and 1 highlighter. The person selects one item at random and does not return it to the box. So what is the probability that the ...more

How To : Hypnotize yourself

Hypnotizing yourself may seem like a magic trick, but is actually a great way to manage your stress or change a habit. Step 1: Find a private, quiet place Find a quiet, relaxing place, free from potential interruptions. Step 2: Use words to feel positive Prepare a word or ...more

News : Portal Free to Download for a Limited Time!

Portal is game design milestone. Originally only available bundled in with larger cousins Half-Life 2 and Team Fortress 2 in The Orange Box, its creators, Valve Software, changed what first person gameplay could be. It's been a stand alone product for much of the four years si ...more

How To : Fade a lure from a dog trick

In this video by Dogmantics, dog trainer Emily Larlham goes over how to get rid of the lure to food. Dogmantics steps when using a lure: 1. Get RID of the lure as soon as you can! The goal is within 3 trials. 2. If you don't have a clicker use a very short word like "yes!" ...more

How To : Divide fractions in math

When you see a problem involving a fraction, don't freak out. Dividing fractions is actually fairly easy once you learn the simple formula of how to do it. Math can be scary, but don't give up. Follow these simple steps, and soon you'll be dividing fractions like a pro. Step ...more

How To : Solve a system of equations in algebra

In this math lesson you will learn how to solve a system of equations. Watch the following video to learn how to translate a word problem into a system of linear equations. Two linear equations considered in the same time form a system of linear equations. A system of linear ...more

How To : Convert Images Into PDF

We always have so many file formats in our computer, we use MS Word to view .doc files, MS Excel to view .xls files, Adobe Reader to view PDF files, image viewers to view all kinds of image formats, and browser to view html files. It seems we need to install many programs to v ...more

News : The Ultimate SCRABBLE Word List Resource

To some, SCRABBLE is just a board game to play during family game night or during a casual get-together. Others think of SCRABBLE as a mere hobby. But with any activity, there will always be fanatics—the ones who would rather sell their soul than stop—the ones with a constant ...more

Friday Fresh : Create an Auto G-Spot and More

Every day of the week, WonderHowTo curators are hard at work, scouring the web for the greatest and most inspiring how-to videos. Every Friday, we'll highlight our favorite finds. Make your own G-spot & protect your car It's not what you think. The G-spot here does not refer ...more

How To : Recover Passwords for Windows PCs Using Ophcrack

There are loads of reasons for somebody to want to recover a Windows password, and there are lots of different ways of doing it. My favorite of all of these ways is to use a piece of software called Ophcrack because: The free tables are suitable for almost all uses (I've neve ...more

How To : Extract Images and Text From PDF Files

Since PDF files are so popular in both our daily life and work, we see them everywhere. And sometimes we find there are terrfic images or text in the PDF files and we want to save them as seperate files for future use, such as in a presentation or post. Here's the question: ho ...more

News : Parent "Agents"

I’m seeing a flood of posts on youth football forums and even getting a few e-mails from youth football coaches complaining about “player agents” also known as parents. Most of these unhappy coaches are dealing with parents that have non-issues, have an agenda, are misinformed ...more

How To : Join the Fight Against SOPA and PIPA

Amazingly, a lot of people I know haven't even heard of SOPA or PIPA. Now, every English-reading person with an internet connection will finally have those two four-letter acronyms emblazoned in their minds. For the entire day today, Wikipedia's English-language site will be i ...more

News : Alan Wake First Look

A first hands look at the first chapter of the game. "When the wife of best-selling writer Alan Wake disappears on their vacation, his serach turns up pages from a thriller he doesn't remember writing. A dark presence stalks the small town of Bright Falls-"  Suspense thrille ...more

How To : Improve Your Mood to Increase Brain Power

We've all heard the cliches: always look at the glass as half full; a smile can change your entire day; and there's always a silver lining. Whether you're someone who is constantly complimented on their rosy outlook or can't seem to stop frowning at everything around you, you ...more

How To : The Ultimate Guide to Customizing Your iPhone

Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more

How To : Advanced Cryptography - Total Guide

Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there i ...more

Quick Tip : iOS 7 Calendar

With the recent release of iOS 7 there is a world of easter eggs to discover within the new operating system. iOS' included calendar app has never been the most exciting or even the most user friendly. While this (truly) hidden feature does not solve all the calendar app prob ...more

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