# Question #f3cab

##### 1 Answer

Feb 24, 2017

#### Explanation:

Probability at least two head means =HHH or HHT or HTH or THH

Probability for {HHH}=

Probability for {HHT}=

Probability for {HTH}=

Probability for {THH}=

Probability at least two head occur

Probability at least two head occur consecutively is HHH, HHT or THH