. How many 8 digit binary strings have exactly 5 ls?

Q: How many 6-character license plates are possible if the first character must be a letter that is not…

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Q: (i) Count the number of bit strings of length four that do not have two consecutive 1s?

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Q: Most versions of Pascal allow variable names tó cônsist of eight letters or digits with the…

A: To form a eight-character variable. The first character must be a letter. Hence there are 26 choices…

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: How many strings of 12 ternary digits (0, 1, or 2) are there that contain exactly hree Os, five 1s,…

A: Strings of 12 ternary digits, 3 possibilities for each digit in the string, gives a total of 3^12 =…

Q: Suppose you need to enter a 4 digit code to enter a room. (a) Does the order matter? Why? (b) How…

A: Given, Suppose you need to enter a 4 digit code to enter a room. a) Yes, here order matters. Since,…

Q: How many binary strings of length 10 are there in which the number of 0's in the string is not equal…

A: We have to find the numbers of binary strings of length 10 are there in which the number of 0's in…

Q: MK18. Show that in any set of 9 integers chosen from the set {2,3, 4, ... , 21, 22}, there are at…

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Q: 1. This problem involves 8-digit binary strings such as 10011011 or 00001010. How many such strings…

A: Answer for sub question 1: The given task can be broken down into 8 sub tasks where the ith task Ti…