math

A study was made of 200 preschoolers to determine if they watched a particular television shows. The choices were Little Galileo, Super Reader and Prehistoric Train. The results were:

22 preschoolers did not watch any of these shows
73 preschoolers only watched Little Galileo
136 preschoolers watched Little Galileo
14 preschoolers only watched Super Reader and Prehistoric Train
31 preschoolers only watched Little Galileo and Prehistoric Train
63 preschoolers watch Super Reader
135 preschoolers do not watch Prehistoric Train


Choose the following statements about the probabilities of preschool television viewing that are correct.

68% of the preschoolers watched Little Galileo
31.5% of preschoolers do NOT watch Super Reader
67.5% of preschoolers only watch Prehistoric Train.
89% of the preschoolers watch Little Galileo, Super Reader, or Prehistoric Train.
35.4% of preschoolers who watch a show watch Super Reader.
22% of preschoolers do NOT watch Little Galileo, Super Reader or Prehistoric Train.
7% of preschoolers only watch Prehistoric Train and Super Reader.
23.6% of preschoolers who watch a show watch Little Galileo.
68.5% of the preschoolers do NOT watch Super Reader
75.8% preschoolers who watch a show, do NOT watch Prehistoric Train.

  1. 👍 0
  2. 👎 0
  3. 👁 86
  1. a) 136/200 = ?

    b) (200-63)/200 =

    c) (200-135 )watch PT but (31 +14) also do others
    so (65-45)/200 =
    etc

    d)

    c)

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    2. 👎 0
    posted by Damon

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