Compute and Interpret Probabilities Using the Classical Method
-The Sample $\{ \mathrm { HHH } , \mathrm { HHT } , \mathrm { HTH } , \mathrm { HTT }$

Compute and Interpret Probabilities Using the Classical Method
-The sample space for tossing three fair coins is $\{ \mathrm { HHH } , \mathrm { HHT } , \mathrm { HTH } , \mathrm { HTT }$ , THH, THT, TTH, TTT $\}$ . What is the probability of exactly two heads?

A) $\frac { 3 } { 8 }$
B) 3
C) $\frac { 1 } { 2 }$
D) $\frac { 5 } { 8 }$