anonymous
  • anonymous
Statistics help!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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campbell_st
  • campbell_st
well you could find a z score... it will tell you how many standard deviations you are below the mean... then use a table of values to get a probability best guess is that a score of 200 is in the bottom 3% of scores...
campbell_st
  • campbell_st
z score = ( score - mean)/standard deviation
campbell_st
  • campbell_st
well its a table with a whole lot of z scores in it... and then you go and find the value... you must have used one to complete these type of questions... its a normal distribution... or perhaps its a calculator function.

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