.5 * .5 *.5 = 1/8
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-
the probability to have head is .5 so the probability of tails 1-.5
-
then the first time is head
the second time is head
the third time is tail
so
.5 * .5 *.5 = 1/8
Answer:
B.
Step-by-step explanation:
Total surface area of the square pyramid
= 4 times the area of one triangle + Area of square

5^4
------
5^6
625
-----
15,625
625/15625=25
I think that it would be (x times 2)