An unbiased coin is tossed until the first head appears or until four tosses are completed, whichever happens earlier. Which of the following statements is/are correct? 1. The probability that no head is observed is \(\frac{1}{{16}}\). 2. The probability that the experiment ends with three tosses is \(\frac{1}{{8}}\). Select the correct answer using the code given below:
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