What Is Probability?
Read this topicExplanations 4
- Math probability really isn't all that different from how we use the term in English. Probability is the chance of something happening. It's communicated as a decimal or a perce…
By Cassie Taylor
- Simply put, probability is the measure of the likelihood an event will occur. You've most definitely dealt with probability before, whether it was a friend who said "I'll probab…
By Sarah Walker
- (Video) Probability by Scratch Garden In this video by Scratch Garden, you will get an introduction to probability. As the video explains, probability helps us think through the…
By Anusha Rahman
- An Introduction to Probability Probability tells us how likely an event is to happen. We can show probability using numbers from 000 to 111. A probability of 000 means the event…
By Anusha Rahman
Problems 14
- How many 4-digit integers satisfy the following condition? "If we delete a randomly chosen decimal digit of this number, it is always divisible by 777."
- I have five red balls, fifteen blue balls, and ten green balls. If I put them all in a bag, what is the probability of pulling out a red ball?
- I have 202020 green balls, 555555 red balls, 202020 blue balls, and 555 orange balls in a bag. What is the probability of pulling out a blue ball?
- Imagine you have 33,33333,33333,333 red blocks and 111 blue block in a bag. What is the probability of you pulling out a blue block?
- Bob has 555 purple blocks and 222 green blocks in a bucket. What is the chance of Bob pulling out a purple block?
- Imagine you have a hat full of names. There are 323232 Larries, 222222 Jerries, and 111 Donald Trump. What is the probability or you pulling out a Donald Trump?
- I have 646464 green balls, 242424 yellow balls, and 484848 red balls, if I put them all in a bag, what is the probability of pulling out a green ball.
- If Joyce has 202020 yellow hats, 141414 Disneyland headbands, and 262626 caps, and if she picks one at random, what is the probability that she will pick a Disneyland headband?
- If someone is reported everyday, what is the probability that she is reported on a particular day?
- Four different positive integers less than 101010 are chosen randomly. What is the probability that their sum is odd? Write your answer as a fraction ab\frac{a}{b}ba in lowest …
- Jyn Erso, the heroine of Rogue One: A Star Wars Story says, "We'll take the next chance, and the next, until we win, or the chances are spent." Suppose there is 90%90\%90% chanc…
- Your best friend tells you it is almost impossible for someone to flip a coin and have it land on heads 11 times in a row. You take her challenge and start flipping a coin. Afte…
- You choose 7 tiles at random from the 98 above. What are the chances that those tiles include the letters E X P I I?
- True or False\text{True or False}True or False === The probability of an event equals "success" outcomes divided by all possible outcomes.