Mathematics
03.04.2020 03:09
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Count the number of strings of length 8 over a = {w, x, y, z} that begins with either

Count the number of strings of length 8 over a = {w, x, y, z} that begins with either w or y and have at least one x.
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ana5246
ana5246
5,0(16 marks)

1\cdot4^3\cdot2=128 - all starting with w or y

1\cdot3^3\cdot2=54 - all starting with w or y, not having any x

128-54=74 - starting with w or y and having at least one x

aaanderson59
aaanderson59
4,9(85 marks)
Idon’t know ask your teacher that’s what they get paid for

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