Forty people used a popular weight loss program. The mean weight loss was 3.0 lb and the standard deviation was 4.9 lb. Use a 0.01 significance level to test the claim that the mean weight loss is greater than 0 lb. Use Table A-3 to find the range of values for the P-value.

a. P-value < 0.01
b. 0.01< p-value<0.02
c. p-value<0.005
d. 0.005