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.
What will be an ideal response?
| a. | 0.79 |
| b. | 0.7532 |
Business
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