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April 19, 2015

April 19, 2015

Posted by **Cassie** on Friday, July 8, 2011 at 2:47pm.

A) What is the probability that you have given the correct answer to both questions?

B) What is the probability that only one of the two answers is correct?

C) What is the probability that neither answer is correct?

D) What is the probability that only your answer to the multiple choice question is correct?

E) What is the probability that you have answered only the true or false question correctly?

- Statistics -
**PsyDAG**, Friday, July 8, 2011 at 6:35pmProbability of all/both events occurring is found by multiplying the individual probabilities.

A) 1/5 * 1/2 = ?

Probability of either/or events occurring is found by adding the individual probabilities.

B) Follow above instructions.

c) (1-1/5)(1-1/2) = ?

This info should lead you to figuring out D and E.

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