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Week 4-1 - ExamSections 9.49.6 and Ch 10 Test MTH157- Name...

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Exam  Sections 9.4—9.6 and Ch. 10 Test MTH 157 - Math for Elementary Teachers  II Name_  _________________________ Week 4   MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  Solve the problem.  1) 
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As Frank  drives to  work he  has to  pass  through  three  lights.  The  probabilit y that any  light is  green is  39%.  Estimate  the  probabilit y that  exactly  two lights  will be  green.  Use the  following  list of  digits  which was  taken  from a  table of  random  numbers.  In each  pair of  digits, let  00 - 38  represent  a green  light and  let  the  digits 39 - 99  represent  a light  that is not  green.  Start at  the top  left of the  table and  move all  the way across to the right of the table before moving down to the next row. 18728 94741 32063 04963 54859    15592 71357 28152 11732 17173     89555 75520 08882 95295 72895     38894 58070 77371 10194 94917    64336 95103 90740 03577 62599     52052 24004 03845 11507 45233  
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1) 
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A A) 
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B) 
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C) 
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D)      Provide an  appropriate  response. 
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Is it  always  true,  sometime s true, or  never true  that the  centroid is  outside its  associated  triangle? 
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2)  _C  A
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Always true 
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B) 
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Sometimes true 
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C)  Ne v tr   Refer to the figure and  determine whether the  statement is true or  false.   3) 
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Points A,  E, B, and  C are  coplanar. 
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3)  A
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True 
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B)  False    Identify the specified angles.  4
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