Assume that the thermometer readings are normally distributed, with a mean of 0°C and a standard deviation of 1°C. A thermometer is randomly selected and tested. In each case, make a sketch and find the probability of each reading.
 a. Less than 2.34
 b. greater than 3.68
 C. Between -1.20 and 1.95
 d. Between -0.3 and 1.0