1) A woman's clothing store owner buys from three companies: A, B and C. The most

recent purchases are given below. Product Company A Company B Company C

Dresses A[24] B[18] C[12]

Blouses A[13] B[36] C[15]

One item is selected at random. The probability that the item was a blouse or was

purchased from company A.

A. 81/118 C. 67/118

B. 44/49 D. 44/59

2) Consider the following data. X 1 2 3 4 5

Y 10 8 12 16 20

The intercept of the regression equation is

A. 5.2 C. 4

B. 5.5 D. 4.8

3) Consider the following data. X 1 2 3 4 5

Y 10 8 12 16 20

The slope of the regression equation is

A. 2.8 C. 2.5

B. 2 D. 3

4) The number of credits in business courses ten job applicants had is shown here. " 2, 3, 5, 6, 8, 10, 12, 15, 18, 20". What value corresponds to the 60th percentile?

A. 12 C. 8

B. 11 D. 10

5) A researcher wishes to survey the opinions of customers at local malls, she selected 5 malls from a total of 12 malls in a city. The number of ways that the selection can be made is

A. 692 C. 892

B. 792 D. 992

6) In the development of an oil site, the expert estimated the probability to 0.10 that economically recoverable reserves would exceed 2 billion barrels. The probability for reserves in excess of 1 billion barrels was estimated to be 0.50. Given this information, what is the estimated probability of reserves between 1 and 2 billion barrels?

A. 0.60 C. 0.40

B. 0.50 D. 0.70