You roll a number cube numbered from 1 to 6.
P(a prime number)
I think 3/6 or 1/2
P(not a 6) 5/6
P (an even number) 3/6 or 1/2
P (3,6,5,2, or 4) = 5/6
3 answers
You're correct
1 2 3 4 5 6
primes:
1 3 5
so 3/6 = 1/2
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5/6 YES, you got a NOT !!! :)
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yes
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yes
primes:
1 3 5
so 3/6 = 1/2
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5/6 YES, you got a NOT !!! :)
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yes
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yes
but 1 is not a prime. It is explicitly excluded from the list of primes.