What is the probability of not drawing a red or blue marble?
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n(s)=10
n(A)=3
p(a)=n(a)/n(s)
p(a)=3/10
p(a)=3.333
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Answer:
n(S) = {1,2,3,4,5,6,7,8,9,10}
n(S) = 10
probability of not drawing red marble
n(A) = {1,2,3,4,5}
n(A) =5
since,
P(A) = n(A)
n(S)
P(A) = 5
10
P(A) = 1
2
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