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Q: write a MATLAB program to generate a sine signal with a normalized time vector starting at (0) and ending at (1) with a sample size of (1/1000). Note: The sine signal and the time vector code can be written as t = 0:1/1000:1; X = sin(2 * pi * 200 % t); In the same program, find the following: 1. Generate a Gaussian noise signal using the command randn(1001,1). 2. Plot both signals and write a proper command to play their sounds. 3. Add the two signals to each other and generate a third signal, plot the signal 4. Explain what the difference between the three signals