A survey of business students who had taken the Graduate ...

[Garrulous]

A survey of business students who had taken the Graduate Management Admission Test (GMAT) indicated that students who have spent at least five hours studying GMAT review guides have a probability of 0.85 of scoring above 400 . Students who do not review have a probability of 0.65 of scoring above 400 . It has been determined that 70 of the business students review for the test.
 a. Find the probability of scoring above 400.
  b. Find the probability that a student who scored above 400 reviewed for the test.

Question 2

The problem of maximizing a concave quadratic function over a linear constraint set is relatively difficult to solve.
 a. True
  b. False
  Indicate whether the statement is true or false

[duy1981999]

Answer to Question 1

a. 0.79
b. 0.7532

Answer to Question 2

FALSE

[Garrulous]

Gracias!

[kjohnson]

TYSM