iQ6 Select the THREE statements about probabilities and p -values given below wh

Question

iQ6

Select the THREE statements about probabilities and p-values given below which are TRUE.

A) Suppose A and B are two statistically independent events. If P(A) = 0.25 and P(B) = 0.20 then P(A or B) must be equal to 0.45.

B) The value 2.383 is a valid value for a p-value.

C) If A and B are two mutually exclusive events then P(A and B) must be equal to zero.

D) In hypothesis testing, a p-value of less than 0.0005 means there is very strong evidence against the null hypothesis.

E) An event that can never happen has a probability of zero.

F) The value -0.46 is a valid value for a probability.

Explanation / Answer

A) FAlse

B) False

C)True

D) True

E)True

F) True

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