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An access code for an online product consists of 5 numbers (0-9) and 1 letters (A-Z),...
An access code for an online product consists of 4 numbers (0-9) and 2 letters (A-Z),...
An access code for an online product consists of 4 numbers (0-9) and 2 letters (A-Z), however the order in which the letters and numbers are arranged is also randomized (e.g. 123ABC and A1B2C3 and 321BCA are all different codes). How many different access codes are there? Correct answer is101400000 but I'm not sure how to get it.
The access code for a car's security system consists of four digits. The first digit cannot...
The access code for a car's security system consists of four digits. The first digit cannot be 4 and the last digit must be even. How many different codes are available? (Note that 0 is considered an even number.)
The access code for a gym locker consists of three digits. Each digit can be any...
The access code for a gym locker consists of three digits. Each digit can be any number from 0 through 5, and each digit can be repeated. Complete parts (a) through (c). (a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try? (a) Find the number of possible access codes....
the access code for a car's security system consists of five digits. the first digit cannot...
the access code for a car's security system consists of five digits. the first digit cannot be eight and the last digit must be even. how many different codes are available? (note that zero is considered an even number)
Serial numbers for a product are to be made using 4 letters followed by 2 digits....
Serial numbers for a product are to be made using 4 letters followed by 2 digits. The letters are to be taken from the first 5 letters of the alphabet, with no repeats. The digits are taken from the 10 digits (0, 1, 2, 9), with no repeats. How many serial numbers can be generated?
Suppose that a "code" consists of 5 digits, none of which is repeated. (A digit is...
Suppose that a "code" consists of 5 digits, none of which is repeated. (A digit is one of the 10 numbers 0,1 2,3 4,5 6,7 8,9.) How many codes are possible?
10. Determine the number of strings of length 100 of lowercase letters 'a' thru 'z' and...
10. Determine the number of strings of length 100 of lowercase letters 'a' thru 'z' and numbers 'O' through '9', having the following restrictions: 1. The string can be broken down into an initial part, call it s, and another part, call it t. So, the length of s plus the length of t is 100. 2. The string s consists only of lowercase letters - no numbers. The string t consits only of numbers. 3. The string s is...
2) A passcode consists of three letters (A-Z, a total of 26) followed the three digits...
2) A passcode consists of three letters (A-Z, a total of 26) followed the three digits (0-9). Repetitions are allowed. How many such passcodes are possible? (You don't need to simplify your answer)
How many three-letter "words" can be made from 6 letters "FGHIJK" if repetition of letters (a)...
How many three-letter "words" can be made from 6 letters "FGHIJK" if repetition of letters (a) is allowed? An access code consists of 1 letter of the alphabet followed by 6 digits. (Digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.) How many different access codes are possible? A jar contains 9 red marbles, numbered 1 to 9, and 12 blue marbles numbered 1 to 12. a) A marble is chosen at random. If you're told the...
Question 1 160 pts Question 1. A class consists of 4 boys and 5 girls. Answer...
Question 1 160 pts Question 1. A class consists of 4 boys and 5 girls. Answer the following questions: (a) In how many different ways can they be arranged along a line such that the boys are all together and the girls are also all together? (b) In how many different ways can the class be arranged along a circle? (c) In how many different ways can a group of 4 students be selected from the class such that there...
Serial numbers for a product are to be made using 4 letters followed by 2 digits. The letters are to be taken from the first 5 letters of the alphabet, with no repeats. The digits are taken from the 10 digits (0, 1, 2, 9), with no repeats. How many serial numbers can be generated?
10. Determine the number of strings of length 100 of lowercase letters 'a' thru 'z' and numbers 'O' through '9', having the following restrictions: 1. The string can be broken down into an initial part, call it s, and another part, call it t. So, the length of s plus the length of t is 100. 2. The string s consists only of lowercase letters - no numbers. The string t consits only of numbers. 3. The string s is...
2) A passcode consists of three letters (A-Z, a total of 26) followed the three digits (0-9). Repetitions are allowed. How many such passcodes are possible? (You don't need to simplify your answer)
Question 1 160 pts Question 1. A class consists of 4 boys and 5 girls. Answer the following questions: (a) In how many different ways can they be arranged along a line such that the boys are all together and the girls are also all together? (b) In how many different ways can the class be arranged along a circle? (c) In how many different ways can a group of 4 students be selected from the class such that there...
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