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Outside a home, there is a 7-key keypad numbered 1 through 7. The correct three-digit code will open the garage door. The numbers can be repeated in the code. (a) How many codes are possible? (b) What is the probability of entering the correct code on the first try, assuming that the owner doesn't remember the code? (a) The number of possible codes is (Type an integer or fraction. Simplify your answer.)

Outside a home, there is a 7-key keypad numbered 1 through 7. The correct three-digit code will open the garage door. The numbers can be repeated in the code. (a) How many codes are possible? (b) What is the probability of entering the correct code on the first try, assuming that the owner doesn't remember the code? (a) The number of possible codes is (Type an integer or fraction. Simplify your answer.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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7:58 Outside a home, there is a 7-key keypad numbered 1 through 7. The correct three-digit code will open the garage door. The numbers can be repeated in the code. (a) The number of possible codes is. (Type an integer or fraction. (a) How many codes are possible? (b) What is the probability of entering the correct code on the first try, assuming that the owner doesn't remember the code? ||| = Vo) 1 LTE2.II 4G . Simplify your answer.) O 75%
Transcribed Image Text:7:58 Outside a home, there is a 7-key keypad numbered 1 through 7. The correct three-digit code will open the garage door. The numbers can be repeated in the code. (a) The number of possible codes is. (Type an integer or fraction. (a) How many codes are possible? (b) What is the probability of entering the correct code on the first try, assuming that the owner doesn't remember the code? ||| = Vo) 1 LTE2.II 4G . Simplify your answer.) O 75%
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