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Mark the letter A for item 1 on your Scantron form. A _____ is the probability t

ID: 3179942 • Letter: M

Question

Mark the letter A for item 1 on your Scantron form. A _____ is the probability that one event will occur given that we know that another event already has occurred. a) simple probability b) joint probability c) conditional probability d) complement of events If two events are mutually exclusive, the probability of their union is equal to a) 0 b) 0.50 c) 1.00 d) cannot be determined A letter is drawn randomly from the English alphabet of 26 letters. What is the probability that the letter drawn is a vowel (a, e, i, o, or u)? a) 1/5 b) 1/26 c) 5/26 d) 21/26 If the outcome of event A is not affected by event B, then events A and B are said to be a) mutually exclusive b) statistically independent c) democratic d) marginal If P(A) > 0 and P(B) > 0 and the events A and B are independent, which of the following must be true? a) P(A) = P(B) b) P(A and B) = 0 c) P(A) + P(B) = P(A and B) d) P(A|B) = P(A)

Explanation / Answer

2) Conditional probability
3) 0
4)5/26
5)statistically independent
6) option d.