Multiply ¼ by itself for the first child and list the rest as unaffected

Ana: ‘If we just set ¼ for the first child being affected and multiply ¾ for the other three, that only covers one birth order. We’d ignore any permutations for which child is affected.’

Dr. Antoniou: ‘Exactly, that scenario might correspond to the first child alone being aa. But what if Child 2 was the one affected? Or Child 4? That method wouldn’t include those possibilities.’

Try again:

  • Use the Binomial Rule
  • Multiply ¼ by 4

Map: CS13 - BIOESTADÍSTICA: INTRODUCCIÓN A LAS PROBABILIDADES_ES (1064)
Node: 20097
Score:

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  • Multiply ¼ by itself for the first child and list the rest as unaffected

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