A safe has a five-digit code. a) How many different codes are possible? b) How many different codes are possible if the digits can’t be repeated? c) Suppose you know that the code consists of the digits 0, 2, 5, 8, and 9, but you cannot remember in which order they go. What is the probability that you guess the correct code on the first try?
A safe has a five-digit code. a) How many different codes are possible? b) How many different codes are possible if the digits can’t be repeated? c) Suppose you know that the code consists of the digits 0, 2, 5, 8, and 9, but you cannot remember in which order they go. What is the probability that you guess the correct code on the first try?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...
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Question
A safe has a five-digit code.
a) How many different codes are possible?
b) How many different codes are possible if the digits can’t be repeated?
c) Suppose you know that the code consists of the digits 0, 2, 5, 8, and 9, but you cannot
remember in which order they go. What is the probability that you guess the correct code on
the first try?
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