if you could help me understand the process please

Assume that the readings at freezing on a batch of thermometers are Normally distributed with mean 0'C and standard deviation 1.00'C. Find the temperatures that make up the middle 80% of all temperature readings. From PC to "C Round to 2 places.For Normally distributed data with u = 212.5 and o = 1.9. 22% of observations have values less than Round to 1 decimal place. Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted