The time it takes jessica to bicycle to school is normally distributed with mean 15 minutes and variance 4. jessica has to be at school at 8: 00 am. suppose you saw her at class, and she said it took her 23 minutes to get to school that day. which of the following is a reasonable inference or conclusion?

a. twenty-three minutes to school is not an unusually long commute time.
b. a commuting time of 23 minutes is highly unusual or atypical.
c. the distribution of commute times may not be normal with mean 15 minutes and standard deviation 2 minutes.
d. both (b) and (c) are feasible conclusions.
e. both (a) and (c) are feasible conclusions.