Question

a5. (E points) Feature moxie lengths bours) were measured for all movies shown i year in the U.S. The mesn length of feature length movies shown stamdurd deriation of Q15 hours Suppose the length of a random sample recorded Som al moties relessed this year. was 1.80 hours with of 20 movies wa What is the standand emor for the estimated mean feature length movie time of the 20 randon selected mories Round to the mearest thousandth. a) 0356 b) 0055 c) 0.034 d) 0.040

Answer 1