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= 0.10, which of the following is true?

a. The critical values for the test are1.65. b. The critical values for the test are1.96. c. Do not reject the null hypothesis. d. There is enough evidence to support the claim