A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 410 gram setting. It is
believed that the machine is underfilling the bags. A 22 bag sample had a mean of 408 grams with a standard deviation of 14. A level of significance of 0.05 will be used. Assume the population distribution is approximately normal. Is there sufficient evidence to support the claim that the bags are underfilled