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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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love2211 love2211
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6 years ago
A survey of business students who have 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 .85 of scoring above 400 . Students who do not spend at least five hours reviewing have a probability of .65 of scoring above 400 . It has been determined that 70 of the business students spent at least five hours reviewing for the test.
 a. Find the probability of scoring above 400.
  b. Find the probability that given a student scored above 400, he/she spent at least five hours reviewing for the test.
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lsellers6lsellers6
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6 years ago
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love2211 Author
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6 years ago
Helped a lot
linlinlin
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Yesterday
Correct Slight Smile TY
annakc
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2 hours ago
This site is awesome
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