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nasty-shy [4]
2 years ago
6

Sara has 20 sweets.

Mathematics
2 answers:
sdas [7]2 years ago
4 0
17/29 + 6/29 + 4/29
= 27/30
<span>1 - 27/29 = 2/29 = 0.069</span>
Ber [7]2 years ago
3 0
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

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

You the take that answer and subtract it from 1.


<span>I hope that helps.</span>
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