A chef boiled 4 eggs and put them in a basket with 8 eggs that were not boiled. All of the eggs look the same. Randy selects an egg, keeps it, and then selects another egg. Which expression gives the probability that he selects 2 boiled eggs?
A.4/12x4/12
B.4/12x3/11
C.4/12x3/11
D.4/12x4/12
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OpenStudy (anonymous):
@AnaheimNena714
OpenStudy (anonymous):
@EvonHowell
OpenStudy (anonymous):
@SandeepReddy
OpenStudy (anonymous):
@seiga
OpenStudy (anonymous):
@DonnieDarko
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OpenStudy (anonymous):
please help
OpenStudy (anonymous):
Okay So by seeing at the eggs you cant tell which one is boiled or which is not right!
OpenStudy (anonymous):
b and c
OpenStudy (anonymous):
sorry dont have math classes anymore
OpenStudy (anonymous):
i am pretty sure its b.
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OpenStudy (anonymous):
thx
OpenStudy (anonymous):
as the probability = (favourable events)/total events
for first egg to be a boiled egg:
number of favouble events are 4 as there are 4 boiled eggs
and the total number of eggs are 4+8 = 12
OpenStudy (anonymous):
so probability in the first case that randy takes a boiled egg is 4/12
OpenStudy (anonymous):
A box contains 3 cherry frozen treats and 2 grape frozen treats. Maggie takes a treat from the box without looking, gives it to her brother, and then selects another treat. What is the probability that her brother gets a grape treat and she gets a cherry treat?
A.
B.
C.
D.
OpenStudy (anonymous):
a 1/5
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OpenStudy (anonymous):
and in the problem given that he keeps it ( did he keep it aside or did he keep it inside the basket?)
OpenStudy (anonymous):
b 3/10
OpenStudy (anonymous):
c 6/25
OpenStudy (anonymous):
d 9/10
OpenStudy (anonymous):
b is the answer
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