QUESTION 7 The following table provides a probability distribution for the random variable x X P00 4 0.3 6 0.46 8 0.88 10 0.36 Calculate the Standard Deviation of x. 6.", 5.809 {'3' 14.6 C.) 0.580 {'3' 33.?45 QUESTION 8 According to UTD survey. 28% of the students have condence in banks. Suppose that you interview 8 students in random. What is the probability that 4 or fewer have confidence in bank? (Use Binomial Distribution Method) 6.", 0.043 f; 0.664 0.956 6.", 0.843 QUESTION 5 The following table provides a probability distribution for the random variable x. X P(X) 4 0.3 6 0.46 8 0.88 10 0.36 Calculate the expected value of x O 3.75 O 4 O 28 O 14.6