A die is rolled once find the probability of getting (a) Prime number (b)not a prime number (c)a factor of 4.
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A die has 6 faces
(a)Prime number
P(E)=No. of favourabke outcomes/No. of possible outcomes
=3/6
=1/2
(b)not a prime number
=2/6
=1/3
(c)a factor of 4
=2/6
=1/3
Step-by-step explanation:
(a) prime numbers=2,3,5
all numbers on dice=1,2,3,4,6,
(b) not a prime number=4,6
all numbers on dice=1,2,3,4,5,6
(c)a factor of 4=1,2
all numbers on 1,2,3,4,5,6
[NOTE:1 is neither prime nor composite]
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