There are only green counters, yellow counters and red counters in a bag.The ratio of green counters to yellow counters is 7: 11. Ismael takes a counter at random from the bag .The probability that the counter is red is 0.25. Work out the probability that Ismael takes green counter.
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Answered by
8
Answer:
7/24
Step-by-step explanation:
red counters= 0.25 of all counters so yellow + green= 0.75
7x+11x= 75k
18x=75k
6x= 25k
x=25, k=6
18x= 450 ⇒ 0.75 of all
⇒ total= 450/3*4= 600
green= 7*25= 175
probability of green= 175/600= 7/24
Answered by
0
Answer: the probability is 7/24
Step-by-step explanation:
red counters= 0.25 of all counters so yellow + green= 0.75
7x+11x= 75k
18x=75k
6x= 25k
x=25, k=6
18x= 450 ⇒ 0.75 of all
⇒ total= 450/3*4= 600
green= 7*25= 175
probability of green= 175/600= 7/24
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