GRE Exam Dumps : GRE General Test

A)

B)

C)

D)

E)

Exhibit.

A group of 3 different investors is to be randomly selected from the 5 investors shown. What is the probability that, for at least 2 of the 3 investors selected, the number of shares of Stock X purchased and then sold will be less than 1.5 times the corresponding number for stock Y?

A)

B)

C)

D)

E)

Exhibit.

The variance of n numerical data x1, x2, x3, , , , , xn with the mean x is equal to were S is the sum of the equal differences for

For the shares of stock purchased and then sold by the investors shown, the mean of the 5 numbers for Stock Y is 50 and the corresponding mean for Stock X is 70. The variance of the 5 numbers for Stock }' is what fraction of the corresponding variance for Stock X ?

A)

B)

C)

D)

E)