A warranty identification number for a certain product consists of a letter of the alphabet followed by a seven-digit number
Homework Answers
9 possible digits
10 possible digits x 6
26*9*10^6 = 234,000,000
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A warranty identification number for a certain product consists of a letter of the alphabet followed by a seven-digit number
A password consists of one letter followed by a five-digit number. A) How many passwords are...
A password consists of one letter followed by a five-digit number. A) How many passwords are possible if none of the letters or digits can be repeated? B) What is the probability of guessing the password in one trial if there are no restrictions? (To find the probability use the definition of classical probability.)
The serial number on a dollar bill consists of a letter, followed by eight digits and...
The serial number on a dollar bill consists of a letter, followed by eight digits and then a letter. How many different serial numbers are possible if letters and digits cannot be repeated?
A password to a computer consists of 6 characters: a digit, a letter, a digit, a...
A password to a computer consists of 6 characters: a digit, a letter, a digit, a letter, a digit, and a letter in that order, where the numbers from 1 through 9 are allowed for digits. How many different passwords are possible? passwords
A code word consists of 2 letters followed by 7 digits. The first letter must be...
A code word consists of 2 letters followed by 7 digits. The first letter must be and an A or a w and the last digit cannot be zero. Find the total number of code words possible for the following conditions. 7) Letters can be repeated but not digits Letter cannot be repeated but digits can a. b. 8) A store manager wishes to display 10 different f food in a row In how many
A password consists of three letters followed by a two-digit number. (a) How many passwords are...
A password consists of three letters followed by a two-digit number. (a) How many passwords are possible if there are no restrictions? 1757600 (b) How many passwords are possible if none of the letters or digits can be repeated? (c) What is the probability of guessing the password in one trial if there are no restrictions? O A. 0.0000007123 O B. 0.0000005690 O C. 0.2 O D. 0.798816568
A serial number is to be created for each product that is manufactured. The serial number...
A serial number is to be created for each product that is manufactured. The serial number consists of 2 letters followed by 3 non-zero digits. There are a total of 26 letters in the alphabet. (a) How many serial numbers are possible if all the letters and non-zero digits CAN'T be repeated? (b) How many serial numbers are possible if the letters and non-zero digits can be CAN be repeated?
if a license plate consists of 2 letters followed by 4 digits, how many different plates could be created having at least one letter or digit repeated
if a license plate consists of 2 letters followed by 4 digits, how many different plates could be created having at least one letter or digit repeated? I know its not 6,760,000
1. A serial number is to be created for each product that is manufactured. The serial...
1. A serial number is to be created for each product that is manufactured. The serial number consists of 2 letters followed by 3 non-zero digits. There are a total of 26 letters in the alphabet. (a) How many serial numbers are possible if all the letters and non-zero digits CAN'T be repeated? (b) How many serial numbers are possible if the letters and non-zero digits can be CAN be repeated? 2. There are 84 people that have entered into...
A password consists of 4 letters among 26 lower-case English alphabet letters and 10 digits: 0,1,...,9....
A password consists of 4 letters among 26 lower-case English alphabet letters and 10 digits: 0,1,...,9. (i) How many different passwords that contain at least one digit can be formed? (ii) How many different passwords that contain at least one digit and at least one letter can be formed?
A passcode for a certain security system consists of 2 letters, followed by 4 digits. If...
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A password to a computer consists of 6 characters: a digit, a letter, a digit, a letter, a digit, and a letter in that order, where the numbers from 1 through 9 are allowed for digits. How many different passwords are possible? passwords
A code word consists of 2 letters followed by 7 digits. The first letter must be and an A or a w and the last digit cannot be zero. Find the total number of code words possible for the following conditions. 7) Letters can be repeated but not digits Letter cannot be repeated but digits can a. b. 8) A store manager wishes to display 10 different f food in a row In how many
A password consists of three letters followed by a two-digit number. (a) How many passwords are possible if there are no restrictions? 1757600 (b) How many passwords are possible if none of the letters or digits can be repeated? (c) What is the probability of guessing the password in one trial if there are no restrictions? O A. 0.0000007123 O B. 0.0000005690 O C. 0.2 O D. 0.798816568
A password consists of 4 letters among 26 lower-case English alphabet letters and 10 digits: 0,1,...,9. (i) How many different passwords that contain at least one digit can be formed? (ii) How many different passwords that contain at least one digit and at least one letter can be formed?
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