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Mathematics 11 Online
OpenStudy (anonymous):

Using a sixteen-sided number cube, what is the probability that you will roll an odd number or an even prime number? Round to three decimals.

OpenStudy (anonymous):

count them

OpenStudy (anonymous):

8 odd numbers

OpenStudy (anonymous):

and \(2\) is the only even prime number there is

OpenStudy (anonymous):

4 even prime?

OpenStudy (anonymous):

lol no 4 is not prime, \(4=2^2\)

OpenStudy (anonymous):

oh 1, 3, 7, 11 arnt?

OpenStudy (anonymous):

wait even lol

OpenStudy (anonymous):

would it be 1/2 * 1/16

OpenStudy (anonymous):

oh no just count the ones you are looking for, then divide the total by 16

OpenStudy (anonymous):

so 9/16

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

thank you I got the answer :) its 0.563

OpenStudy (anonymous):

yw

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