Mary rolls a die 5 times. What is the probability that she gets a one on the last one of the five rolls? Choose the correct choice from the following choices
A) 100/1000
B) 7775/7776
C) none
D) 1
E) 888/881
the die has 6 sides and it was rolle 5 times, then 6*6*6*6*6= 
<gadget id="calculator">6*6*6*6*6</gadget>
<output>7_776</output>
7776   the number of ways to get 1 is 1   then 1/7776   the probability would be   1-1/7776=7775/7776   Answer 7775/7776
<result>B</result>
Mary rolls a die 5 times. What is the probability that she gets a one on the last one of the five rolls?