INFORMATION

Updated:
BundleID:
atorch.statspuzzles
Version:
3.8
Size:
3.7M
Category:
Puzzle
Required:
Android
Rating:
Publish:
2022-02-08
Price:
Free
Developer:

WHAT'S NEW

Two new puzzles, plus improved hints for several existing puzzles.

Probability Math Puzzles Game SCREENSHOT

【图】Probability Math Puzzles(截图1)【图】Probability Math Puzzles(截图2)【图】Probability Math Puzzles(截图3)

Probability Math Puzzles Game DESCRIPTION

This app offers over 80 probability math puzzles in three levels. I’ve included a math parser so that you can type equations as answers: if the answer is 0.49^2, for example, you can enter 0.49^2 or 0.49*0.49 without having to work out the multiplication yourself. Some of the puzzles are very challenging, even for people who have studied college-level probability — try answering them all! If you get stuck, there’s a hint at the bottom of each page, and you can always skip puzzles (and return to them later) by swiping horizontally. Have fun!

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Probability Math Puzzles Game DOWNLOAD

Free DownloadGoogle PlayOfficial Website

Game REVIEWS

nonpoint..

Fun and thought inducing game. Very enjoyable if you appreciate math. Also very good hints, they don't take away the fun but they make it easier. Noice!

Kuanysh

That is a real storehouse af amazing probability problems with different difficulties! Besides, there are some resources to learn the topic. Just what I needed, thanks!

Maxim

I'm stuck at "Getting serious" problem 31. I simply don't understand the task itself. You have a collection where you have N distinct objects and you draw a sample of size N from there. It means that you take the whole collection as a sample and the probability that given object will appear is 1. But it's not the right answer it says?
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The problem description says you are sampling with replacement, which is a very important detail! Your comment describes sampling without replacement, which would lead to a different answer.

Andy

Very good puzzles. Great interface, for example you can answer in terms of factorials, fractions... How ever you were thinking when you solved the problem. And, the final level questions are both quite interesting and difficult.

Stanley

Great app overall, but I made the mistake of thinking that the app couldnt read "/ " properly cause I thought the number above the hint was the correct answer 😅, it wasnt, just the approximate of my answer. Worked out the answers the old pen and paper way, and got the correct answers. Great app, been a while since i did probability questions, it was a great revision experience.
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Have you tried typing fractions as 1/3, with a "/" instead of "\"? Send me an email with screenshots if you are still having trouble. Which question are you trying?

Aviral

The app has a wide variety of puzzles related to probability. The questions are arranged wisely, starting from from easy combinatorics questions, all the way to more challenging concepts such as Markov chains, joint distributions, geometry and recursion. The hints are also provided quite wisely, such that they help in solving the question without spilling the entire solution. If one wants to have a good revision of probability, I would strongly recommend this app.

Xin

Great app. Finished all in hours. Didn't solve the puzzle 14 and 15 in the most difficult level. Used computer to simulate for them.

Manuel

Having majored in economics, I simply expected a fun series of probability puzzles, but this app is way more than that. It explains the basics of probability in a fun and simple way, and even offers excellent resources for those who wish to go beyond what the app can teach. Definitely a must have for those who are interested in this area of maths or are looking to brush up on their skills.

Tim

The help that is offered sometimes is misdirecting. What is asked for in the problem can also be unclear. Some progressive stages of help would be better than snippy responses to incorrect answers.
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Hi Tim, which hints did you feel were unhelpful or misdirecting? I can make them more helpful in the next version.

Sheldon

The game starts out deceiving simple bit soon gets more difficult (and interesting). I was college professor, teaching statistical analysis and this game was a wonderful experience and review. I would certainly recommend it to even a beginner to the study of probability math as well as high school and college students studying probabilities as well as math majors.

Jack

A fine range of problems (I'm a quarter into the serious set of puzzles). Some of the hints are above me but I've got onto youtube to find resources to help me understand the coupon collector's problem and the Expected value for the number of tosses to get two heads in a row. I'm learning a lot. Thanks to the author.
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Thank you for your review! I'll add more detail to the hints for those puzzles in the next version.

Guest

A great way to pass time and improve your math at the same time. The app is great in the sense that it has very well developed problems, properly sorted based on their difficulty and a descent UI. The only downside is addition of new problems happens rarely.

Michael

Lots of interesting problems. The topic might better be described as combinatorics instead of probability. Fun way to pass time on the train. Need paper for a few problems though. Some of the images don't show in the hints though, for example, in the hint for the second to last puzzle at the hardest level.

laura

Really gets the brain working. I love everything about it. Only doing the 'easy' puzzles, already thinking the harder ones might be too much for me...

Aleks

Applying probability is very non intuitive. The app gives you good practice. The questions are well selected and imply reasonable context. There is a lot of text, but when you're starting to feel drown, there is always a good picture :)

Mehdi

Extremely beautiful, meaningful, and valuable probability puzzles. If you are a student who is learning probability, or if you are a math (in this case probabilities) enthusiast, you will find this incomparably good. You will see lots of "classics", accompanied by other similarly engaging puzzles. Just grab a pen and several pieces of scratch paper. You don't need a calculator either. The program supports factorials and C(n, r) function.

Daniel

You need a really solid foundation in your theory of probability to solve these questions. As such I found some questions difficult in easy. puzzle 21 was really trippy or perhaps poorly written as it specified that if voter 3 chooses c, then there is a 2/3 chance that voter 4 will also vote c. that's all that's written but it could also be that voter 4 that chooses c therefore 2/3 chance for voter 3 which is not mentioned.

Akshat

Absolutely amazing. The math parser, is just phenomenal. I can actually see what I'm trying to give as an answer(logic) rather than just the numerical value. It's not just a refresher and probability learning app, but also a great place to appreciate the way statistics rules our world. One way to get to numbers in a natural way. Great job !

Guest

Really very good and tricky puzzles. Sometimes the hints are a bit bare but the questions are fantastic. The in built parser is nice but would be good to add the permutation/combination operators
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I'm glad you're enjoying it! For the combination operator, try typing C(5,3) in one of the answers -- it should work and give you "5 choose 3".

Matthias

The learning curve is very nice and the hints are very good just presenting a roadmap to the solution and not the solution itself. I learned a lot while solving the puzzles and had a lot of fun doing so. What more do you want?