Researchers wanted to know the effectiveness of a new anti-venom.  A study was conducted on 150 children who had nonlethal scorpion stings.  The ages of the children ranged from 6 months to 18 years old.  Each child was randomly assigned to receive a shot of the anti-venom or a placebo shot.  Researchers recorded whether or not their condition improved over the next four hours. a.   Complete the two-way table summarizing the findings.   Anti-venom Placebo Total Improved 70   80 Did not improve    60    Total       150   b.  Use the study results to complete the following.  Round your answer to the nearest tenth of a percent, as needed. Of the children who were given the anti-venom  % saw their condition improve. Of the children who were given the placebo % saw their condition improve.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
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  1. Researchers wanted to know the effectiveness of a new anti-venom.  A study was conducted on 150 children who had nonlethal scorpion stings.  The ages of the children ranged from 6 months to 18 years old.  Each child was randomly assigned to receive a shot of the anti-venom or a placebo shot.  Researchers recorded whether or not their condition improved over the next four hours.

    a.   Complete the two-way table summarizing the findings.

      Anti-venom Placebo Total

    Improved

    70   80
    Did not improve    60   
    Total

          150

     

    b.  Use the study results to complete the following.  Round your answer to the nearest tenth of a percent, as needed.

    Of the children who were given the anti-venom  % saw their condition improve.

    Of the children who were given the placebo % saw their condition improve.

     

     

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