10. It is known that the mean of a population is 105. A sample of size 25 was taken and the sample mean was 100.7.If H0: μ≤100, and you decided not to reject the null hypothesis, it means
(A)you have committed a Type I error;
(B)you have committed a Type I error;
(C) you have committed a Type III error;
(D) you have committed neither Type I nor Type II error.