# Need math help with the probability of an event

Anonymous
account_balance_wallet \$5

### Question Description

A box is filled with 2 yellow cards, 5 red cards, and 8 brown cards. A card is chosen at random from the box. What is the probability that the card is not red ?

School: UCLA

yellow=2

red=5

brown=8

total cards=5+2+8=15

the probability of card is red=5/15=1/3

so the probability the card is not red=1-the probability of card is red

=1-1/3

=2/3

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Anonymous
Thanks, good work

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