Question 1

(cos + cos )^2+ (cos + cos )^2

A.sin^2

B.4

C.8cos^2

D.cos^2

Question 2

A group of people were given a personality test to determine if they were TypeA or Type B. The results are shown in the table below:

Male Female

TypeA 55 75

TypeB 48 22

Compare P(Female or Type B) with P(Female | Type B).

A. There is not enough information.

B.P(Female or Type B) > P(Female | Type B)

C.P(Female or Type B) = P(Female | Type B)

D.P(Female or Type B)

Question 3

The function f(t) = 3 cos((pi/6)t) + 5 represents the tide in Blastic Sea. It has a maximum of 8 feet when time (t) is 0 and a minimum of 2 feet. The sea repeats this cycle every 12 hours. After nine hours, how high is the tide?

A.12 feet

B.5 feet

C.4.5 feet

D.2.5 feet

Question 4

A hospital gives a survey to all surgical patients asking them to rate the quality of their hospital experience. One month after surgery, the hospital contacts the patients again to ask if there were any complications from the surgery. Last year, the results of the surveys showed that of the patients who had a poor hospital experience, 40% had post-surgical complications. What conclusion can be drawn from this study?

A.Poor hospital experiences cause post-surgical complications.

B.Some patients who have a poor hospital experience also have post-surgical complications.

C.Post-surgical complications cause poor hospital experiences.

D.Most patients who have a poor hospital experience also have post-surgical complications.

Question 5

Use the function below:

\f