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Exercise 5: Read and answer the following. Show your solutions. 1. in a normal distribution, 95.4% of the values fall between 13.4 and 18.2. Find the mean and standard deviation. Construct a normal curve. 2. In a normal distribution, 99.7% ofthe values fall between 90 and 120. Find the mean and standard deviation. Construct a normal curve. 3. In a normal distribution, 68.3% of the values fall between 14.5 and 14.7. Find the mean and standard deviation. Construct a normal curve. 4. in a normal distribution, 99.7% of the values fall between 50 and 80. Find the mean and standard deviation. Construct a normal curve. 5. In a normal distribution, 95.4% of the values fall between 20.6 and 25.4. Find the mean and standard deviation. Construct a normal curve