A manufacturer of chocolate chips would like to know whether itsbag filling machine works correctly at the 444 gram setting. It isbelieved that the machine is underfilling the bags. A 20 bag samplehad a mean of 443 grams with a standard deviation of 16. A level ofsignificance of 0.1 will be used. Assume the populationdistribution is approximately normal. Is there sufficient evidenceto support the claim that the bags are underfilled?
a. there is sufficient evidence that the bags areunderfilled
b. there is not sufficient evidence that the bags areunderfilled