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Chance Calculator

category:probability

Table of contents

Chance Calculator

Box Gacha

Kompu Gacha

How to calculate chance

Chance Calculator

When loot box of p% chance is performed n times, the chance to get one or more is

63.40%
Probability (p) %

Number of trials (n)

The chance to get m or more when loot box of p% chance is performed n times

Probability (p) %
Number of trials (n)
Required number of hits (m)
Answer:0%

To get with n% chance, how many trials required when the probability of hitting is p%

Probability (p)
Probability of required (n)
Answer:0 times

Box Gacha

The chance to get one or more when a box gacha is performed n times

In this calculator it is assumed that all prizes will come out with equal probability.

Number of items
Number of prizes
Number of trials (n)
Answer: 0 %

The chance to get everything when box gacha is performed n times

In this calculator it is assumed that all prizes will come out with equal probability.

Number of items
Number of prizes
Number of trials (n)
Answer: 0 %

Kompu Gacha

Expected value of the number of times of trials necessary to hit everything when kompu gacha with n varieties

This is expected value, NOT PROBABILITY. The probability of hitting everything in expected value is about 64 %.

Number of varieties
Answer: 0 times

The chance to get everything when kompu gacha of n varieties is performed m times

Since the probability is calculated with expected value, when m is small(m < 20), precision is low.

Number of varieties (n)
Number of trials (m)
Answer: 0%


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