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1. [8] Find the sample spaces for the following experiments and state the type of the

sample space, i.e. finite, uncountably infinite, countably infinite.

(a) [2] Select a ball from an urn containing balls numbered 1 to 20. Note the number

on the ball.

(b) [2] A message is sent transmitted repeatedly over a noisy channel until an error-

free message arrives at the receiver. Count the number of transmissions required.

(c) [2] Pick two numbers at random between zero and one.

(d) [2] Determine the value of a voltage waveform at time ₁