Question 8 Not yet answered Marked out of 10.00 p Flag question A sample of size n=100 is taken from a Normal population with a known variance 36. An investigator wishes to test the hypotheses Ho: ( = 65 against H,: u > 65. She decides on the following criteria: Accept H. if the sample mean is 66.5 (Answer the following questions to 4 dp accuracy) Find the probability of a type l error, P(Type ()= b) If the true mean is 67.9, find the probability of Type II error. (Hint Sketch diagrams) P(Type 11)