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The Watercooler
Any math people here??? -- *updated*
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<blockquote data-quote="smallworld" data-source="post: 42874" data-attributes="member: 2423"><p>These are the answers my "math whiz" kids got:</p><p></p><p>1) one-half probability that 1, 2 or 3 will be rolled on the first try, and one-half probability that 4, 5 or 6 will be rolled on the second try (3 numbers out of 6 numbers each time)</p><p></p><p>2) four-ninths probability that a penny will be chosen the first time, and three-eighths probability that a penny will be chosen the second time. My son said to multiply those numbers together to get a 16.7 percent probability of choosing two pennies</p><p></p><p>Hope that's right!</p></blockquote><p></p>
[QUOTE="smallworld, post: 42874, member: 2423"] These are the answers my "math whiz" kids got: 1) one-half probability that 1, 2 or 3 will be rolled on the first try, and one-half probability that 4, 5 or 6 will be rolled on the second try (3 numbers out of 6 numbers each time) 2) four-ninths probability that a penny will be chosen the first time, and three-eighths probability that a penny will be chosen the second time. My son said to multiply those numbers together to get a 16.7 percent probability of choosing two pennies Hope that's right! [/QUOTE]
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Any math people here??? -- *updated*
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