If your sibling is of opposite sex, stay standing. Otherwise, sit down.
Do you predict half of them will stay standing? More than half? Less than half?
Fun: Ask all your students with exactly 1 sibling to stand. Ask each if their sibling is of opposite sex. If you're right they stay standing
— Max Ray (@maxmathforum)
@maxmathforum Do you predict half of them will stay standing? More than half? Less than half? #matharguments
— Max Ray (@maxmathforum)
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