How many strings of length 5 can be formed if the alphabet (set of available characters)is {a,b,c} and the last character is not b.

Q: How many different bit strings of length 12... a. .contain at most eight 0's? b. ..contain exactly…

A:

Q: How many bits string of length 4 are possible such that they contain 2 ones and 2 zeroes?

A: 2. Given Data: The length of string is: n=4 The number of ones is: 2 The number of zeros is: 2   The…

Q: How many distinct ten-digit passwords are possible if you must use at least one 26 lower case letter…

A: Given: you must use at least one 26 lower case letter from {a, b, . . . , z}, at least one 26 upper…

Q: How many distinct 5-letter strings can be created using the letters A, B, C, D, E if repetition is…

A:

Q: How many bit strings of length 10 have seven 1's and either start with 101 or end with 10?

A: Given 10 bit length string start with 101 or ends with 10 and it has seven 1's. Let it start with…

Q: How many 8-bit strings of weight 5 start with 101 or end with 10 or both?

A: If the 8-bits strings has a weight of 5, then From the 8 places to have digits, there are 5 places…

Q: How many binary strings of length 18 have the same number of zeros as ones?

A:

Q: 5 identical copies of a movie will be stored on 20 computers such that each computer has at most 1…

A: Given: 5 identical copies of a movie will be stored on 20 computers

Q: How many strings of 1our decimal digits have all four digits that are different? How many strings of…

A:

Q: Let us say that we are going to create eight letter passwords from a set of 23 letters (all of the…

A: There are 23 alphabets, 10 numerics and 5 symbols.

Q: How many bit strings of length seven either begin with two 0s or end with three 1s?

A: Let A be the number of strings that begin with two 0's Therefore. first two places can be filled in…

Q: How many bit strings of length 10 contain at least three 1s and three

A:

Q: A ternary bit string is a string of digits from {0, 1, 2}. How ternary bit strings are there of…

A: Solution of the problem as follows

Q: How many bit strings contain exactly eight Os and 10 Is if every 0 must be immediately followed by a…

A: Solution

Q: How many bit strings of length seven either begin with wo Os or end with three 1s?

A:

Q: How many 8-bits strings have exactly three 1's?

A: Given that  8 bits strings have exactly three 1 s is

Q: How many bit strings contain exactly eight 0s and 10 1s if every 0 must be immediately followed by a…

A: Here we will use the concept of combination and the formula for combination is given by C(n,r) =…

Q: How many 10-bit strings are there if the string must start with 001 or 10?

A: By using the given information the solution is given as follows

Q: How many 10-bit strings are there if the string must have exactly one 1 in the first half and…

A: The string must contain exactly one 1 in the first half and exactly one 1 in the second half. So…

Q: In one case a byte is defined as a sequence of 8 bits. Each bit can be either zero or one. How many…

A:

Q: How many different strings can be made from the letters in ATTRACTION, using all the letters, if all…

A: The given word is ATTRACTION

Q: How many strings of seven lower case letters of the English alphabet contain exactly four letters w…

A: We have to use permutations and combinations here.

Q: How many different passwords are there that contain only digits and lower-case letters and satisfy…

A:

Q: How many 4-letter strings of upper- and/or lowercase letters are there that contain at least two…

A: To determine the number of 4-letter strings of upper and /or  lowercase letters are there that…

Q: How many strings of 7 English letters are there that start and end with the letter T and contain at…

A: Given, we have to make 7 letters string that  will start and end with T    And the string have at…

Q: How many strings of ten lowercase letters from the English alphabet contain the lette consecutive…

A: String contains total 10 lowercase letters

Q: Determine the number of strings of length 10 from the alphabet {A, B, C} that contain exactly 3 A's…

A:

Q: A license plate consists of   five symbols on each​ plate, where the first two symbols are letters…

A: Fundamental principle of counting : If an event occur in m ways an corresponding to it another event…

Q: How many bit strings of length n, where n is a positive integer, start and end with 1s?

A: Given: String length is n,where n is positive integer. Any place to fill in the string there are…

Q: Each character in a password of length six can be any uppercase letter from A-Z or any symbol from…

A: Given information: Total number of letters that can be used for password = 26 Total number of…

Q: How many 8-bit strings (that is, bit strings of length 8) are there which: a. Start with the…

A:

Q: How many bit strings are there of length six or seven

A: The number of bit strings of length six is given by 26 The number of bit strings of length seven is…

Q: (a) How many bit strings of length 9 either begin with 2 Os or end with 2 1s? (inclusive or) (b)…

A:

Q: Suppose a password must have at least 8 characters, but no more than 12 characters, made up of…

A: Given that, Suppose a password must have at least 8 characters, but no more than 12 characters, made…

Q: How many Binary strings of length 7 do not start with zero?

A: Total number of binary strings of length n is 2n Total number of binary strings of length 7 is 27…

Q: assume that you are trying to transmit a secret code using 3 letter words. if only 5 letters of the…

A: Given only 5 letters of the alphabet can be usedNO.of alphabets =5No.of words should be in secret…

Q: How many strings of 7 decimal digits are there, such that at least one of the digit is odd?

A: There are total 10 decimal digits, among which 5 are odd. Since repetition of digits is allowed,…

Q: In one case a byte is defined as a sequence of 8 bits. Each bit can be either zero or one. How many…

A: Permutation: A permutation of a set is defined as an arrangement of its members into a sequence or…

Q: How many passwords of length 4 can we construct using the 26 letters of the English alphabet, If…

A: Total 26 alphabet 4 has to select

Q: How many three digit passcode can be made from the digits 0-9in the first number is not allowed to…

A:

Q: How many ways of strings of length 10 can we build from an alphabet of 30 characters?

A: We need to find, in how many ways, a strings of length 10 can be build from an 30 alphabet…

Q: 5 can be formed if the alphabet (set of avail

A: To find: Number of strings of length 5 that can be formed with {a,b,c} with last character not as b.

Q: A string that contains only Os, 1s, and 2s is called a ternary string. How many ternary strings of…

A: Multiplication Principle:Suppose that we perform r experiments such that the kth experiment has nk…

Q: Don't copy from google or other sites  How many bit strings of length 11 contain either five…

A: Given, the strings of length 11 contain either five consecutive 0s or five consecutive 1s.

Q: How many strings are there of length 6 over the alphabet {a, b, c, A, B} in which exactly two of the…

A: we have the alphabet a,b,c,A,B Now, we are interested in string of length 6. Since two of the…

Q: How many bit strings of length 10 contain either five con- secutive Os or five consecutive 1s? How…

A:

Q: (a) How many bit strings of length 8 are there? (b) How many bit strings of length 8 or less are…

A:

Q: How many strings of 5 upper case letters of the English alphabet start or end with A? Letters could…

A: detailed explanation is mentioned below

Q: A computer access password consists of from three to ten letters chosen from the 28 in the Arabic…

A: The part b of the can we solved by using the permutation.

Q: How many strings of six lowercase letters from the English alphabet contain a) the letter a? b)…

A: Hello. Since your question has multiple parts, we will solve first 3sub parts question for you. If…