A thief steals an ATM card and must randomly guess the correct five-digit pin code from a 7-key keypad. Repetition of digits i
1 answer:
Answer:
1 in 16,807 chance or a 0.00595% chance
Step-by-step explanation:
There is only one correct 5-digit pin that the thief must guess. If there are 7 possible values for each of the five digits, the total number of combinations is:
Therefore, there is a 1 in 16,807 chance or a 0.00595% chance that the thief will guess on the first try.
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Answer:
Please see attached graph
Step-by-step explanation:
We know that the equation tht represents the boats avlue is given by
A(x) = 400(b)^x + 0 = 400(b)^x
A(x) = 400(b)^x
An increment in the rate of 25% a yeard is given by
b = 1.25
A(x) = 400(1.25)^x
Which graph can be seen below
