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Answer :

Mhanifago

Answer:

  • 1/2 or 50%

Step-by-step explanation:

  • Number of 13-year old students = 10
  • Number of those prefer ice-skating = 5

Required probability:

  • P = 5/10 = 1/2 or 50%

Answer:

Probability of students will prefer ice-skating over roller - skating = 50 % or 1/2 %

Step-by-step explanation:

No. of 13 yrs old students = 10

No. of those students prefer ice - skating = 5

Probability of students will prefer ice-skating over roller - skating = No. of 13 yrs old students/ No. of those students prefer ice - skating

P = 5 / 10 = 1/2 % = 50 %

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