6) Suppose you are randomly assigned a 6 digit password for you West Valley portal account where the possible digits are between 0 and 9, including 0 and 9, and you can repeat digits. a) How many passwords are possible? b) What's the probability that the password assigned to you has a 4 in the second spot? c) What's the probability that the password assigned to you has exactly three 4s? d) What's the probability that the password assigned to you has at least five 4s?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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6) Suppose you are randomly assigned a 6 digit password for you West Valley portal account where
the possible digits are between 0 and 9, including 0 and 9, and you can repeat digits.
a) How many passwords are possible?
b) What's the probability that the password assigned to you has a 4 in the second spot?
c) What's the probability that the password assigned to you has exactly three 4s?
d) What's the probability that the password assigned to you has at least five 4s?
Transcribed Image Text:6) Suppose you are randomly assigned a 6 digit password for you West Valley portal account where the possible digits are between 0 and 9, including 0 and 9, and you can repeat digits. a) How many passwords are possible? b) What's the probability that the password assigned to you has a 4 in the second spot? c) What's the probability that the password assigned to you has exactly three 4s? d) What's the probability that the password assigned to you has at least five 4s?
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