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Ilia_Sergeevich [38]
4 years ago
11

Sara has 20 sweets.

Mathematics
2 answers:
const2013 [10]4 years ago
8 0

Answer:

Step-by-step explanation:

Simple probability question. 

The probability that the 2 sweets will not be the same = 1 - probability of same 2 sweets.

There are 3 possible outcomes where the two sweets will be the same. If she had 2 Liquorice or 2 mint or 2 humbug.

P(2 Liquorice) = 12/20 * 11/19

P(2 Mint) = 5/20 *4/19

P(2 Humbug) = 3/20 * 2/19

All of those added together will give you the probability of her getting 2 of the same time of sweet. 

You the take that answer and subtract it from 1.

MissTica4 years ago
3 0

Answer:

111/190

Step-by-step explanation:

this is the answer it worked on mathswatch

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