QUESTION 2 A maker of frozen meals claims that the average caloric content of its meals is 400, and the standard deviation is 15. A researcher tested 16 meals and found that the average number of calories was 350. At a = 0.10, which of the following is true? O a. The critical values for the test are + 1.65. O b. The critical values for the test are + 1.96. O c. Do not reject the null hypothesis. O d. There is enough evidence to support the claim