GreenFacts, a Non-Profit Organization, Reports That the Average Adult in Europe

Multiple Choice

GreenFacts, a non-profit organization, reports that the average adult in Europe consumed 17 litres of alcohol last year. The standard deviation is 2.1 litres. If we randomly select 42 European adults, what is the probability that the sample mean is more than 17.8 litres?

A) 0.0068
B) 0.4873
C) 0.0058
D) 0.4863
E) 0.0680