In last question formulae for combination with repetition is given as (n+p-1)/p however the document/material attached showed formlae for combination with repetition is (n+p-1)!/((n-1)!*p!). I'm confused to understand which one is correct. Please clarify.

Hey Vipin, Thank you for the question and apologies for the late reply! A similar question has been recently resolved here. We will update the lecture notes as soon as possible to contain the definition of the 'n-choose-k' notation. Kind regards, 365 Hristina

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Vipin Gupta

Last answered:

30 Nov 2021

Posted on:

12 Oct 2021

Formulae for combination with repetition for choosing 5 balls out of 10 with replacement.

in Probability / Combinations with Repetition

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Hristina Hristova

Instructor

Posted on:

30 Nov 2021

Formulae for combination with repetition for choosing 5 balls out of 10 with replacement.

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