Question 1

Seventy two percent of all observations fall within 1 standard deviation of the mean if the data is normally distributed.

Answer

Selected Answer:

False

Correct Answer:

False

Question 2

If two events are not mutually exclusive, then P(A or B) P(A) P(B)

Answer

Selected Answer:

False

Correct Answer:

False

Question 3

Probability trees are used only to compute conditional probabilities.

Answer

Selected Answer:

False

Correct Answer:

False

Question 4

0 out of 2 points

The minimin criterion is optimistic.

Answer

Correct Answer:

True

Question 5

0 out of 2 points

Using the minimax regret criterion, we first construct a table of , for each possible decision, we look across the states of nature...