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The Watercooler
Any math people here??? -- *updated*
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<blockquote data-quote="Sheila" data-source="post: 43014" data-attributes="member: 23"><p>One more. I've confused myself with "dependent" and "independent"...</p><p></p><p>There are 20 true/false questions on a test. You do not kow the answer to 4 of the questions, so you guess. What is the probability that you will get all 4 answers right?</p><p></p><p>I have doubts difficult child will ever "get" this kind of reasoning. Example: Chance of selecting 2 pennies from his pocket is 100% because he can feel the difference in the coins. So I tell him to pretend he can't feel the coins. You got it, "but I can, so the probability is 100%." What do you tell the student to get them past this concrete thinking???????????</p></blockquote><p></p>
[QUOTE="Sheila, post: 43014, member: 23"] One more. I've confused myself with "dependent" and "independent"... There are 20 true/false questions on a test. You do not kow the answer to 4 of the questions, so you guess. What is the probability that you will get all 4 answers right? I have doubts difficult child will ever "get" this kind of reasoning. Example: Chance of selecting 2 pennies from his pocket is 100% because he can feel the difference in the coins. So I tell him to pretend he can't feel the coins. You got it, "but I can, so the probability is 100%." What do you tell the student to get them past this concrete thinking??????????? [/QUOTE]
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Any math people here??? -- *updated*
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