A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 920 milligrams. A random sample of 44 breakfast sandwiches has a mean sodium content of 925 with a standard deviation of 18 milligrams. At a=0.10, do you have enough evidence to reject the restaurant’s claim?
A. Write the claim mathematically
B. Identify the null and alternate hypotheses
c. find the critical values and identify the critical region
d. find the standardized test statistic
e. decide whether to reject or fail to reject the null hypothesis
f. interpret the decision in context of the original claim