Question 1153771
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The sample space is this set of 8 elements

    1.   TTT

    2.   TTH

    3.   THT

    4.   THH

    5.   HTT

    6.   HTH

    7.   HHT

    8.   HHH



(a)  Favorable set (a) is  n1, n4, n6, n7.   In all, there are 4 favorable elements.


     Therefore,  P = {{{favorable/total}}} = {{{4/8}}} = {{{1/2}}} in this case.    <U>ANSWER</U>



(b)  Favorable set (b) is  n8, n2, n3, n5.   In all, there are 4 favorable elements.


     Therefore,  P = {{{favorable/total}}} = {{{4/8}}} = {{{1/2}}} in this case.      <U>ANSWER</U>   
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