Answer:
22.5 s is the correct answer to the given question .
Explanation:
Given that
For light:
We know that speed of light c
We know that

For thunder :
Speed of sound ,v=332 m/s

Therefore the difference between time is given as follows

22.5 is the answer
The examination phase
Further Explanation:
Hardware troubleshooting in computers requires a systematic and logical approach. Taking a logical approach helps you identify the root cause much easily. Ask yourself those questions first before getting to the bottom of anything. You will find it helpful to reproduce the problem and develop a hypothesis of the problem if you ask yourself those 20 questions.
Next comes the examination phase. Having gathered everything, I will now attempt a fix based on what I think I found. In my case, I suspect that there a component in my computer that is fried. A few ways to tell if my motherboard or components attached to the motherboard are fried is to remove the side panel first and examine the circuitry before removing any unnecessary hardware devices. Obvious sings will be smell of smoke. Examine the capacitors as well. Burnt capacitors have rounded tops. This is a clear indication that they are blown.
I will now remove every single component one by one from the motherboard and test my hardware on a low-level.
Learn more about computer hardware troubleshooting
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Answer:
Probability Distribution={(A, 4/7), (B, 2/7), (C, 1/7)}
H(X)=5.4224 bits per symb
H(X|Y="not C")=0.54902 bits per symb
Explanation:
P(B)=2P(C)
P(A)=2P(B)
But
P(A)+P(B)+P(C)=1
4P(C)+2P(C)+P(C)=1
P(C)=1/7
Then
P(A)=4/7
P(B)=2/7
Probability Distribution={(A, 4/7), (B, 2/7), (C, 1/7)}
iii
If X={A,B,C}
and P(Xi)={4/7,2/7,1/7}
where Id =logarithm to base 2
Entropy, H(X)=-{P(A) Id P(A) +P(B) Id P(B) + P(C) Id P(C)}
=-{(1/7)Id1/7 +(2/7)Id(2/7) +(4/7)Id(4/7)}
=5.4224 bits per symb
if P(C) =0
P(A)=2P(B)
P(B)=1/3
P(A)=2/3
H(X|Y="not C")= -(1/3)Id(I/3) -(2/3)Id(2/3)
=0.54902 bits per symb
It kinda depends on what you mean by special characters