6) In a discrete probability distribution, the sum of all the individual probabilities must equal: (A) 100 (B)-1 (C) 1 (D) 0 7) A random experiment in which there are only two outcomes - success and failure obeys: (A) Gaussian Distribution (B) Binomial Distribution (C) Uniform Distribution (D) Normal Distribution 8) In a Standard Normal Distribution, what are the values for the mean and standard deviation? (A) The mean is 0 and standard deviation is 1 (B) The mean is 1 and standard deviation is 0 (C) The mean is 0 and standard deviation is 0 (D) The mean is 1 and standard deviation is 1 9) For a normal distribution curve, which of the following is true? (A) The area under the curve equals 1 (B) The curve is symmetrical about the mean (C) The curve is also known as Bell curve (D) All of the above