The mean February 1 daily high temperature in Juneau, Alaska, between 1945 and 2005 was 1.1 °C with a standard deviation of 1.9 °C.
(a) Based on this information, do you think it is reasonable to believe that the February 1 daily high temperatures in Juneau, Alaska, follow a normal distribution? Explain.
(b) Does this information provide compelling evidence that the February 1 daily high temperatures in Juneau, Alaska, follow a normal distribution? Explain.