Classroom Connections Ch.9

Classroom Connections Ch.9 - He looks at the spinners and...

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Name _________________________________ Classroom Connections – Chapter 9 (20pts) •These problems are to be worked VERY NEATLY with a LOT of explanation, proper grammar, and correct mathematical notation. •Responses can be typed or hand-written (preferably in PENCIL). •Please work one problem per page and staple the pages together before turning them in. PROBLEM #1 A student sees the following spinner and claims that the color red has the highest probability of appearing since there are two red areas on the spinner. How would you respond? Blue Red Red Green PROBLEM #2
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Name _________________________________ A student says that if a family has two children, then the only possibilities are two boys, two girls, or one boy and one girl. Because there are only three possibilities, he claims that the probability of having two boys is 1 / 3 . How would you respond? (hint: include a tree diagram in your explanation) PROBLEM #3 John is asked to spin the spinners shown below and compute the probability of two blacks.
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Unformatted text preview: He looks at the spinners and says the answer is ½ because ½ of the area of the circles are black. How would you respond? Name _________________________________ Black White Black White PROBLEM #4 There are two bags each containing red balls and yellow balls. Bag A contains 1 red ball and 4 yellow balls. Bag B contains 3 red balls and 13 yellow balls. Mary says that you should always choose Bag B if you are trying to draw a red ball because it has more red balls than Bag A. How would you respond? (hint: include a drawing) Name _________________________________ PROBLEM #5 A game is played in which two dice are rolled. If a sum of 7 appears, you win $10, otherwise, you lose $2. A student wants to know if, in the long run, you would expect to make money, lose money, or break even. How would you respond? (show your work!)...
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This note was uploaded on 01/06/2012 for the course MATH 1351 taught by Professor Lisajuliano during the Spring '12 term at Collins.

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Classroom Connections Ch.9 - He looks at the spinners and...

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