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Mathematics 83 Online
OpenStudy (anonymous):

HELP ME MEDAL AND FAN A six-sided number cube is rolled. Which events are mutually exclusive? A. rolling a 5; rolling an odd number B. rolling a 2; rolling an even number C. rolling a 6; rolling an odd number D. rolling a 6; rolling an even number

OpenStudy (rational):

mutually exclusive events cannot happen at the same time

OpenStudy (anonymous):

what do you mean with that??

OpenStudy (rational):

maybe look at first option ``` A. rolling a 5; rolling an odd number ``` when you roll a cube, can you get both 5 and an odd number at the same time ?

OpenStudy (anonymous):

no

OpenStudy (rational):

why ? 5 itself is an odd number right ?

OpenStudy (rational):

if u roll 5, you're also rolling an odd number that means the two events can happen at the same time so these are not mutually exclusive.

OpenStudy (anonymous):

well what i understand witch number can get more times and i think is six but now that you are saying id that 5 the the correct right??

OpenStudy (anonymous):

so wait the odd numbers are 12345 and even numbers are 6789??

OpenStudy (rational):

odd numbers : 1, 3, 5, ... even numbers : 2, 4, 6, ...

OpenStudy (rational):

even numbers are divisible by 2 odd numbers are not divisible by 2

OpenStudy (anonymous):

ohhh so the answer is A right??

OpenStudy (rational):

nope

OpenStudy (rational):

the events in optionA are NOT mutually exclusive because they can happen at the same time

OpenStudy (anonymous):

its c because you seed that odd numbers are divisible by 2 so i imagine is like 2 4 6 8 like that and 6 is odd right

OpenStudy (anonymous):

??????

OpenStudy (rational):

Yes! option C is the correct answer, good job !

OpenStudy (anonymous):

ohh ok thank for a moment i tout i was wrong

OpenStudy (rational):

hey wait but your reasoning is wrong actually, even numbers are divisible by 2 and odd numbers are NOT divisible by 2

OpenStudy (rational):

but the answer is still optionC

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