1) P($800)=1/8
2)P($400)=1/8
3)yes, all sectors are all the same size giving them the same chance of being landed on by the arrow.
4) gaining at most P($500)=1/2
5) Obtaining less than P($200)=1/8
6) At most P($500)=5/8
7) Spinning spinner twice P($200)=1/64
8) Spinning spinner twice and at lease having up most to $400. P($400)=6/64
9) Spinning spinner twice and a sum of at least $500. P($500)=3/64
10) Spinning spinner twice and having a sum of at least $300. P($300)=3/64
11) Already spun and got $100. P($200)=1/8
12) Already spun and got $800. P($1,000)=7/8
Comments (1)
Nathan Wisdom said
at 12:22 am on Jan 9, 2011
Good job!
Your write-up contains complete response with clear, coherent and unambiguous explanation; includes clear and simple diagram, if appropriate; communicates effectively to identified audience; shows understanding of question’s mathematical ideas and processes; identifies all important elements of the question
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