1) “Two events that cannot occur at the same time” is a definition for which of these terms? a) Independent events b) Mutually exclusive events c) Conditional events 2) “When the outcome of one event has no effect on the outcome of the other” is a definition for which of these terms? a) Independent events b) Mutually exclusive events c) Conditional events 3) “The probability of an event occurring, given that another event has already occurred” is a definition for which of these terms? a) Independent events b) Mutually exclusive events c) Conditional events 4) Which of these equations can you use when asked “What is the probability that either event ‘A’ or event ‘B’ occurs? (given that events ‘A’ and ‘B’ are mutually exclusive) a) P(A AND B) = P(A) x P(B) b) P(A OR B) = P(A) + P(B) c) P(A OR B) = P(A’) + P(B’) 5) You roll an unbiased six-sided dice. What is the probability you get a six? a) 6 b) 1 c) 1/3 d) 1/6 e) 6/6 f) 2/6 6) You roll an unbiased six-sided dice 600 times. How many times should it theoretically land on a four? a) 1/4 b) 1/6 c) 100 d) 125 e) 200 f) 400 7) You flip a fair coin. What is the probability it lands on heads? (hint: select all correct answers!) a) 1/2 b) 0.5 c) 1 d) 50 e) 50% f) 1/3

Probability Quiz

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