Find probabilities with normal distribution and significance testing

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Our features

Work your way through our daily challenge and see if you can make it onto our scoreboard.

The Revisionator will generate a random paper weighted by grade, AO and topic to help with your revision.

We are releasing revision content every day until the exams to help you get the grade you deserve.

Ultimate subscribers can download our daily revision notes.

Revision central is a great area to find all of our resources.

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