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Probability

Problem Solving — algebra and arithmetic
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by Rukhsora » Tue Feb 23, 2016 11:23 pm
Hello All,

I just started learning probability questions, but the problems seem too difficult for me. Can you please advise any source to first start learning in order to understand probability questions more easily?

Thank you
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Source: — Quantitative Reasoning |
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by MartyMurray » Wed Feb 24, 2016 5:55 am
You could try the lessons here.

https://www.gmatprepnow.com/module/gmat-probability

This looks pretty good too.

https://www.youtube.com/watch?v=aWlekctXiZ8
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by Matt@VeritasPrep » Thu Mar 03, 2016 1:30 am
You're not alone! Most students struggle with probability at first, probably because they've never seen it before. (It doesn't come up much in school, despite its obvious practicality, because of its associations with gambling.)

Math is Fun has a great conceptual intro with some follow up exercises: be sure to check out the further links at the bottom of the page once you're done reading.
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by [email protected] » Thu Mar 03, 2016 9:41 am
Hi Rukhsora,

How long have you been studying for the GMAT? And how have you performed in the Quant section overall (when you take your practice CATs)?

I ask those questions because Probability is a relatively rare category on the GMAT (while you'll likely see at least 1 probability question on Test Day, you probably won't see more than about 2-3) - as such, the larger categories are worth a lot more to your overall score, so you should be sure that you're strong in all of those other areas before you nitpick rarer categories too much.

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