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Consider all bit strings of length 4

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Reference no: EM131916449

Consider all bit strings of length 4.

a) How many begin with 01?

b) How many begin with 01 and end with 10?

c) How many begin with 01 or end with 10?

d) How many have exactly three 1's? 

Suppose that a "word" is any string of four letters. Repeated letters are allowed. For our purposes, vowels are the letters a, e, i, o, and u.

a) How many words are there?

b) How many words begin with a vowel?

c) How many words begin with a vowel and end with a vowel?

d) How many words have no vowels?

e) How many words have exactly one vowel?

Reference no: EM131916449

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