The TJ Company claims they put 12 ounces in their can of baked beans. However, a consumer watch group believes that the TJ company is cheating customers ...

The TJ Company claims they put 12 ounces in their can of baked beans. However, a consumer watch group believes that the TJ company is cheating customers by putting less than 12 ounces in their cans of baked beans. A random sample of 20 cans of baked beans is picked by the consumer group and it is found that the sample mean is 11.85 ounces with a standard deviation of .12 ounces. Is there sufficient evidence to support the consumer's group's claim? What is the Type I Error and Type II error in words?