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Please help! Algebra 2 question:

Please help! Algebra 2 question:-example-1
User Bizmarck
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1 Answer

1 vote

Answer:

.26%

Explanation:

There are 52 cards in a deck and 13 of them are hears

P (1st card a heart) = 13/52 = 1/4

Then assuming we keep the card

There are now 51 cards with 12 of them hearts

P (2nd card a heart) = 12/51

Then assuming we keep the card

There are now 50 cards with 11 of them hearts

P (3rd card a heart) = 11/50

Then assuming we keep the card

There are now 49 cards with 10 of them hearts

P (4th card a heart) = 10/49

To get the probability the first 4 cards are hearts

P(1st 4 cards are hearts) = P (1st card a heart) * P (2nd card a heart) * P (3rd card a heart) *P (4th card a heart)

= 1/4 * 12/51 * 11/50 * 10/49

=11/4165

=.002641056

Changing to percent by multiplying by 100

=.26%

User Colene
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