realsiege
  • realsiege
Andy has to join 2 clubs in his school. The clubs are divided into 3 categories: 5 in art, 4 in sports, and 5 in sciences. How many ways can Andy join 2 clubs from different categories? What's the probability of choosing 2 clubs from the same category?
Probability
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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shadowreaper810
  • shadowreaper810
total clubs are 5+4+5=14 Number of ways he can choose clubs are 14*13= 182 Number of ways he can choose clubs from same category=sum of number of ways he can select clubs from each category=5*4 + 5*4 + 4*3=20+20+12=52 Now P(E)=52/182=26/91
shadowreaper810
  • shadowreaper810
You need to know the concepts of Permutation and Combinations to solve this problem

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