Question

3. A bag contains 2 white marbles, 5 red marbles & 3 blue marbles. A marble is taken out of
the bag at random. Find the probability that the marble taken out is not of red colour,

Answer 1

Total Outcome=10 marbles

$p(e) = \frac{7}{10}$

=0.7

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Answer 2

Answer:

P(A)=1/2

Step-by-step explanation:

S={W1,WE,R1,R2,R3,R4,R5,B1,B2,B3}

n(s)= 10

Let A be the event that the marble taken out us not red

A={ W1,W2,B1,B2,B3}

n(A)=5

P(A)=n(A)/n(S)=5/10=1/2

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