Author Question: A survey of business students who had taken the Graduate Management Admission Test (GMAT) indicated ... (Read 134 times)

Garrulous · **on:** Jun 24, 2018

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