The mean annual income for people in a certain city (in thousands of dollars) is 41 , with a standard deviation of 35 . A pollster draws a sample of 91 people to interview. (e) Using a cutoff of
0.05
,do you think it would be unusual for an individual to have an income of less than
33
? Explain. Assume the variable is normally distributed. Round the answer to at least four decimal places.
▼(Choose one), because the probability that an individual has an income less than
33
is