Question

in her pencil case polly has one green pencil,2 res pencil,4 black pencils and 3 blue pencils she take out of a pen randomly work out the probability
a)red b)not green c)black d) red or blue
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Answer 1

Step-by-step explanation:

a) red= 2/10=1/5

b) not green= 1-(1/10)=9/10

c) black=4/10=2/5

d) red + blue= 2/10+3/10=5/10=1/2