Which figure is a scalene triangle?
2 answers:
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See attached picture for the missing image required to answer the question.
Answer: 4/21
Step-by-step explanation:
Total number of tiles(possible outcomes) = 7
Number of green tiles(required outcomes) =2
Number of Blue tiles(required outcomes) = 4
Recall :
Probability (P) = Required outcome / total possible outcomes
First pick (without replacement) :
P(picking a green tile) = 2/7
Second pick :
Tiles left after first pick = 6
P(picking a blue tile) = 4/6 = 2/3
Compound probability :
P(picking a green tile) × p(picking a blue tile)
(2/7) × (2/3) = 4/21
