Question

3. If PA)-03, P(B) 0.2, P(A and B)-a06, what can be said about events A and B ? A) They are independent. B) They are mutually exclusive. C) They are posterior probabilities. D) None of the above E) All of the above 4. "The probability of event B, given that event A has occurred" is known as a probability A) continuous B) marginal C) simple D) joint E) conditional 5. The expected value of a probability distribution is A. the measure of the spread of the distribution. B. the variance of the distribution. C. the probability density function. D. the range of continuous values from point A to point B, inclusive. E. none of the above. 6. When does P(AlB) -P() A) when A and B are mutually exclusive B) when P(B) C) when A and B are statistically dependent D) when A and B are collectively exhaustive E) when A and B are statistically independent

Answer 1

events ond Quposox prubobilite ⑤ Noru.of ttu above Átt of ttu above . うTey au mutually indipendent event Tus

Ma Simpk Option s care c pont inclusi«

tone ot he aboe 飞 den A and B ou stísticolty fndepend ot option ④ b ermect