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Mathematics, 24.11.2020 18:50 jsh65bsbs
Members of the video club choose a Personal Identification Number (PIN) consisting of two letters (from the 26 letter English alphabet) followed by two numbers.
a) How many PINs are possible if letters and numbers cannot be repeated?
b) What is the probability that a thief obtained your video card and correctly guess is your PIN on the first try?
Write a fraction in lowest terms or a decimal to four places in the "show your work" box.
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Members of the video club choose a Personal Identification Number (PIN) consisting of two letters (f...
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