Coin tossing

[know]

Two coins are tossed at the same time. Determine the probability that the head will not appear.
1) 1/4
2) 1/2
3) 2/6
4) 3/4

 

[raquelc]

The probability of getting 2 tails (no heads) is the probability of getting a tail on coin A 'AND' getting a tail on coin B.
We will be multiplying each of those probabilities (AND=multiply). What is the probability of getting a tail?

 

[Deleted member 4993]

Two coins are tossed at the same time. Determine the probability that the head will not appear.
1) 1/4
2) 1/2
3) 2/6
4) 3/4

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

https://www.freemathhelp.com/forum/threads/read-before-posting.109846/#post-486520

Please share your work/thoughts about this assignment.

 

[pka]

Two coins are tossed at the same time. Determine the probability that the head will not appear.
1) 1/4
2) 1/2
3) 2/6
4) 3/4

Here is a table of outcomes:
\(\begin{array}{*{20}{c}}
H&H \\
H&T \\
T&H \\
T&T
\end{array}\)
Now count.

 

[know]

Is correct answer 1/4?

 

[Deleted member 4993]

Is correct answer 1/4?

How many ways can you toss two coins? (excluding the possibilities of one or more rolling off and never to be found a gain - is the cat dead?)

How many of those possibilities contain possibility of only tails?

 

[pka]

Is correct answer 1/4?

\(2^2=4\) there are four outcomes. Only one all tails no heads.
So the probability of no heads in \(\frac{1}{4} \).

 

[Steven G]

Just look at the table that pka supplied you with, count the favorable outcomes (whatever you want it to be) and divide by 4.