SOLUTION: In a large bucket, there are umbrellas of colours yellow, blue and black. The numbers of yellow, blue and black umbrellas are in the ratio 9 : 10 : 11. If an umbrella is picked a

Algebra ->  Probability-and-statistics -> SOLUTION: In a large bucket, there are umbrellas of colours yellow, blue and black. The numbers of yellow, blue and black umbrellas are in the ratio 9 : 10 : 11. If an umbrella is picked a      Log On


   

Question 1190982: In a large bucket, there are umbrellas of colours yellow, blue and black. The numbers of yellow, blue and black umbrellas are in the ratio 9 : 10 : 11. If an umbrella is picked at random, what is the probability of getting a yellow umbrella?
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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There are  9x  yellow umbrellas,  10x  blue umbrellas and  11x  black umbrellas,
or  9x+10+11x = 30x,  in total.


The probability of getting a yellow umbrella is   %289x%29%2F%2830x%29 = 3%2F10 = 0.3 = 30%.             ANSWER