Zoe rolls two fair six-sided number cubes. What is the probability that at least one number cube shows a 5?
1 answer:
Answer:
Probability of obtaining at least one five = 3/12
Step-by-step explanation:
Number cube have six faces.
Then two number cube have 12 faces total but independent 6 two faces
Number of 5 in a number cube is one.
Probability of obtaining a 5 in a number cube = 1/6
Probability of obtaining at least one five in the two number cube mean = probability of obtaining a five or two five
= 1/6 + 1/12
= 3/12
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