INAORYZAGO
Answered

Task 6: Decisions from Permutations.
Answer the given problem and questions completely. Write the answers on your notebook.
(Show your solution)
Leo went to an ATM machine in Dumaguete City to withdraw money and pay electric
bills. The problem was he forgot the exact arrangement of the pin number containing six digits
for the password of the ATM. He remembered only the pin number contains 5,5, 0, 0, 1 and
1.
a. How many possible ways to come up before it gives an exact pin number?
b. What are your realizations about the situation?​

Sagot :

KULEGGSGO

a. P(n,r) = P(5,5)

= 5!/(5−5)!

= 120 ways

b. The more digits a pin code has, the harder it is to guess.

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