Question

a bag consists of 10 ribbons rolls 4 are yellow 3 green and 2 are red and one is blue if a ribbon roll is taken out a random find the probability of getting (a) a green ribbon roll (b) yellow ribbon roll (c) not a yellow ribbon roll ​

Answer 1

Answer:

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Answer 2

Answer:

a) 0.3

b) 0.4

c) 0.5

Step-by-step explanation:

(a) A green ribbon ball

Total no of ribbons = 10

No of green ribbon = 3

Probability of getting green ribbon = 3/10 = 0.3

(b) A yellow ribbon roll

Total no of ribbon = 10

No of yellow ribbon = 4

Probability of getting yellow  ribbon = 4/10 = 0.4

(c) Not a yellow ribbon roll

Total no of ribbon = 10

No of non-yellow colour ribbon = 5

Probability of getting not a yellow ribbon = 5/10  = 0.5