The following contingency table summarizes the school enrollment by level and type:
  Public (T1\displaystyle {T}{1} ) Private (T2\displaystyle {T}{2} ) Total
Elementary School (L1\displaystyle {L}{1} ) 379 77
Middle School (L2\displaystyle {L}{2} ) 176 53
High School (L3\displaystyle {L}{3} ) 199 97
Total
  1. For a randomly selected student, describe the following in words:
    • T2\displaystyle {T}{2}  is
    • P(T2)\displaystyle {P}{\left({T}{2}\right)}  is
  2. Find the following probabilities: (Round the answers to 4 decimal places)
    1.  P(L3)=\displaystyle {P}{\left({L}{3}\right)}=
    2.  P(T2)=\displaystyle {P}{\left({T}{2}\right)}=
    3.  P(L2T2)=\displaystyle {P}{\left({L}{2}\cap{T}{2}\right)}=
    4.  P(L1T2)=\displaystyle {P}{\left({L}{1}\cup{T}{2}\right)}=
    5.  P(L3T1)=\displaystyle {P}{\left({L}{3}{\mid}{T}{1}\right)}=
  3. Answer the following questions:
    1. Are L1\displaystyle {L}{1} and T1\displaystyle {T}{1} mutually exclusive? Explain.
    2. Are L1\displaystyle {L}{1} and T1\displaystyle {T}{1} independent? Explain.
    3. Are L3\displaystyle {L}{3}  and L2\displaystyle {L}{2}  mutually exclusive? Explain.
    4. Are L3\displaystyle {L}{3}  and L2\displaystyle {L}{2}  independent? Explain.