Find the probability for the experiment of tossing a coin two times.Use the sample space
S = {HH,HT,TH,TT}

The probability of getting exactly two tails.

A) $\frac { 1 } { 2 }$
B) $\frac { 1 } { 4 }$
C) $\frac { 3 } { 8 }$
D) $\frac { 1 } { 3 }$
E) $\frac { 1 } { 8 }$

Question

Find the probability for the experiment of tossing a coin two times.Use the sample space  
 S = {HH,HT,TH,TT}
 
The probability of getting exactly two tails.
 
A)  $\frac { 1 } { 2 }$
B)  $\frac { 1 } { 4 }$
C) $\frac { 3 } { 8 }$
D)  $\frac { 1 } { 3 }$
E)  $\frac { 1 } { 8 }$

Quizplus · Accepted Answer

The sample space S = {HH, HT, TH, TT} shows all possible outcomes of tossing a coin twice. The event of getting exactly two tails corresponds to the outcome {TT}, which is 1 out of the 4 possible outcomes. Therefore, the probability is $\frac{1}{4}$.

Find the Probability for the Experiment of Tossing a Coin 12\frac { 1 } { 2 }21​

Find the Probability for the Experiment of Tossing a Coin $\frac { 1 } { 2 }$