LogFAQs > #876621669

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Topic	Help me understand your reasoning in solving the following easy problem
piccolo1104 04/05/17 8:51:01 PM #61:	Golden Road posted... I'll go back to this: Ann, Courtney Heidi, Bradley Gary, Emily Yes, only one of these three families has 2 girls, while two of them have a boy and a girl. But they're not equally likely to be chosen. If you choose Ann or Courtney, then you have the family with two sisters. If you choose Heidi or Emily, you have a family with a brother and sister. You're twice as likely to choose the girl-girl family, which offsets having only half as many girl-girl families. You're not choosing the individual kids, you're choosing the family. Your choices are family A (Ann and Courtney), family B (Heidi and Bradley), or family C (Gary, Emily). --- 'I' before 'E' except after 'C' and whenever the Hell we feel like it because we just like to make things up in English. - nudojudo <cite>piccolo1104 posted [p:876621669] in Help me un... [t:75200924]...</cite> <quote><cite>Golden Road posted...</cite> <quote>I'll go back to this: Ann, Courtney Heidi, Bradley Gary, Emily Yes, only one of these three families has 2 girls, while two of them have a boy and a girl. But they're not equally likely to be chosen. If you choose Ann or Courtney, then you have the family with two sisters. If you choose Heidi or Emily, you have a family with a brother and sister. You're twice as likely to choose the girl-girl family, which offsets having only half as many girl-girl families.</quote> You're not choosing the individual kids, you're choosing the family. Your choices are family A (Ann and Courtney), family B (Heidi and Bradley), or family C (Gary, Emily). --- 'I' before 'E' except after 'C' and whenever the Hell we feel like it because we just like to make things up in English. - nudojudo</quote> ... Copied to Clipboard!
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