A passcode on a smartphone consists of 4 digits, and repetition of digits is allowed. a) Determine the number of possible four-digit passcodes. b) If a person finds a smartphone and randomly enters 4 digits, what is the probability that the
A passcode on a smartphone consists of 4 digits, and repetition of digits is allowed. a) Determine the number of possible four-digit passcodes. b) If a person finds a smartphone and randomly enters 4 digits, what is the probability that the
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CT: Chapter Test
Problem 29CT
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A passcode on a smartphone consists of
4
digits, and repetition of digits is allowed.a) Determine the number of possible
four-digit
passcodes.b) If a person finds a smartphone and randomly enters
4
digits, what is the probability that the correct passcode is entered?Expert Solution
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