Question 6 Not yet answered Marked out of 2.00 Assume that p(A1) = 0.3, P(A2) = 0.7, P(B/A1) = 0.8 and p(B/A2) = 0.7. Find p(B) a. 0.79 b. 0.27 C. 0.73 d. 0.21 Clear my choice Question 7 Not yet answered Marked out of 2.00 If the weights of students in U.O.J. are bell-shaped. We take a sample of 4200 students with mean 75 kgs and variance 9 kgs. Find the weight for which 2100 students are smaller? Select one: a. 69 b. 70 C. 72 d. 75 Clear my choice Question 8 Not yet answered Marked out of 2.00 A random variable takes the values 3,4,5. P(X = 3) = 0.4 and P(X = 4) = 0.4. p(X > 4/X > 3) = ol-. -100 C. 1 d. 2 Clear my choice Question 9 Not yet answered Marked out of 2.00 Let X ~ B(n,p) such that E(X) = 4.8 and V(X) = 2.88. p = a. 0.4 b. 0.2 C. 0.8 d. 0.6 Clear my choice Question 10 Not yet answered Marked out of 2.00 Consider the following observations 2, 8, 6, 11, 1, 3. The median of these observations is a. 8.5 b. 4.5 C. 6.5 d. 7