If two people are chosen at random, what is the
probability that they were born on different days
of the week?
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OpenStudy (anonymous):
6/7
OpenStudy (anonymous):
why?
OpenStudy (chihiroasleaf):
is it all the question?
OpenStudy (anonymous):
You choose Joe and Moe. Joe is born on some day, don't care which. The probability that Moe is born on the very same day is 1/7. So the probability that he is NOT is 6/7.
OpenStudy (anonymous):
7/7-1/7?
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OpenStudy (anonymous):
the answer booklet says 6/7
OpenStudy (anonymous):
are we having a party or something?
OpenStudy (anonymous):
PARTY TIME!!!
OpenStudy (anonymous):
Yup :)
OpenStudy (bahrom7893):
PARTY!
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OpenStudy (anonymous):
7/7-1/7=6/7
OpenStudy (anonymous):
LOL OMG.HAHA Lurkers...
OpenStudy (anonymous):
maybe they are twins, but one was born right before midnight, the other right after
OpenStudy (anonymous):
can you add me satellite?
OpenStudy (anonymous):
They were both born on the leap day.
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OpenStudy (anonymous):
I can't message you unless you add me
OpenStudy (anonymous):
add you?
OpenStudy (anonymous):
befriend me
OpenStudy (anonymous):
send me a friend request
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
the first guy was born on Monday
OpenStudy (anonymous):
k
OpenStudy (anonymous):
the other guy was born on Friday
OpenStudy (anonymous):
there is a 6/7 chance that they were born on different days
OpenStudy (anonymous):
this problem is more like a common sense problem now that I think of it
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OpenStudy (anonymous):
well its like there are no other choices for days.. you just put 1 guy in a slot.. how many slots are left open?
OpenStudy (anonymous):
6
OpenStudy (anonymous):
alright, next problem?
OpenStudy (anonymous):
if there are 3 blue fish, 4 red fish, 6 green fish, and 10 yellow fish what is the probability of you getting a blue, red, green, and yellow fish in that order?
OpenStudy (anonymous):
|dw:1348279997481:dw|
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