Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (anonymous):

A six-sided number cube with faces numbered 1, 2, 3, 4, 5, and 6 is rolled. Which events are mutually exclusive? A. rolling a 4, rolling a prime number B. rolling a 3, rolling a prime number C. rolling a 2, rolling an even number D. rolling a 5, rolling an odd number

OpenStudy (anonymous):

i give medals! please help me!!!!!

OpenStudy (solomonzelman):

How do you understand "mutually exclusive events" (in this question) ?

OpenStudy (anonymous):

once your done will you help me with mine?

OpenStudy (anonymous):

well i know that mutually exclusive events are like probability, but when i did it like that i got he wrong answer. let me see if i can show you my problem through screenshot. if not then iono what to do my computer sucks sometimes

OpenStudy (solomonzelman):

OK, I am just going to explain this really quick . you are rolling the cube ONCE . Lets take choice A. if you rolled 4, you rolled a prime number. In other words 4 is a prime number. Is that true or false ?

OpenStudy (anonymous):

I have no idea exactly what I did and what im doing and what im doing wrong, but I reread the lesson and it clicked (again) but when it came to the assessment it was asking questions that I didn't learn in the lesson

OpenStudy (anonymous):

false i think... because 2 can multiply itself by itself to make 4

OpenStudy (anonymous):

2•2=4

OpenStudy (solomonzelman):

Yes, so rolling a 4 and rolling a four a mutually exclusive events - they exclude each other, because if you rolled 4 you didn't roll a prime number, and visa versa.

OpenStudy (anonymous):

ok1 i get it now! so the answer would be whatever the number is- like rolling a four and rolling a composite number!

OpenStudy (solomonzelman):

Just making it more easier, ik you get it ;) A. 4 is NOT a prime number B. 3 is a prime number C. 2 is an even number D. 5 is an odd number

OpenStudy (anonymous):

ok now i don't because that made it harder. youre basically telling me there's 3 answers

OpenStudy (anonymous):

well A. is out, but what about the others?

OpenStudy (solomonzelman):

No, I am telling that B C and D are true and A is not,.

OpenStudy (anonymous):

ohhh

OpenStudy (anonymous):

so should I go with the one that is more likely probability wise to be correct? then that would be b... right?

OpenStudy (anonymous):

because only 3 and 5 are prime numbers on a di

OpenStudy (solomonzelman):

No, you are asked - in which of the choices the two event exclude each other? only in A, because only in A youcan roll either 4 or a prime number, since they are different things. in the rest of the choices the 2 things (like in B rolling 3 and a prime) are same.

OpenStudy (anonymous):

exactly @SolomonZelman

OpenStudy (anonymous):

ok... after you gave me those answers up there i got lost like someone got lost in the sahara desert

OpenStudy (solomonzelman):

OK, do you get it now though ?

OpenStudy (anonymous):

so to sum it up i really never understood it and I still don't because i never came to a clear answer. I really appreciate your time and help and you spending your nerves on my tiny brain but then what would the answer be and why?

OpenStudy (anonymous):

if i know that then using the help you gave me then I can probably piece up some understanding ^3^

OpenStudy (anonymous):

sorry that was probably rude...

OpenStudy (solomonzelman):

Answer the question. in which of the choices (A,B,C and D) are the 2 events contradicting each other ?

OpenStudy (anonymous):

a

OpenStudy (solomonzelman):

Yes, so A is therefore the answer.

OpenStudy (anonymous):

OH NOW I GET IT IM SO SORRY MUTUALLY ExClUsIvE!!!!!!!!!! I'm so stupid!

OpenStudy (anonymous):

and slow because after all this time i remember what exclusive means... ^v^ sorrys...

OpenStudy (solomonzelman):

It's alright ;) ...anyone has problems...

OpenStudy (anonymous):

lol heh heh......

OpenStudy (solomonzelman):

have a good one.

OpenStudy (anonymous):

you too @SolomonZelman

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!