Thanks to social media, the happiest creature on earth, an always smiling Australian marsupial called a quokka, has become well known. Suppose that weights of quokkas can be described by a Normal model with a mean of pounds and a standard deviation of pounds. a) How many standard deviations from the mean would a quokka weighing pounds be? b) Which would be more unusual, a quokka weighing pounds or one weighing pounds?
