A Coin Is Tossed Three Times $\{ \mathrm { HHH } , \mathrm { HTT } , \mathrm { HTH } , \mathrm { TTH } \}$

Multiple Choice

A coin is tossed three times. Describe the event A that at least two heads occur.

A) $\{ \mathrm { HHH } , \mathrm { HTT } , \mathrm { HTH } , \mathrm { TTH } \}$
B) $\{ \mathrm { TTT } , \mathrm { HHT } , \mathrm { HTH } , \mathrm { THH } \}$
C) $\{ \mathrm { HHH } , \mathrm { HHT } , \mathrm { HTH } , \mathrm { THH } \}$
D) $\{ \mathrm { HHHH } , \mathrm { HHHT } , \mathrm { HTHH } , \mathrm { TTHH } \}$
E) $\{ \mathrm { HH } , \mathrm { HT } , \mathrm { TT } \}$