The following probability model shows the distribution of

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The following probability model shows the distribution of doctoral degrees from U.S. universities in 2009 by area of study:

Area of study Probability

Engineering 0.154

Physical sciences 0.087

Life sciences 0.203

Mathematics 0.031

Computer sciences 0.033

Social sciences 0.168

Humanities 0.094

Education 0.132

Professional & other fields 0.056

Health 0.042

A- Verify that this is a probability model.

B- What is the probability that a randomly sselected doctoral candidate who earned a degree in 2009 studied physical science or life science. Interpret this probability.

C- What is the probability that a randomly selected doctoral candidate who earned a degree in 2009 studied physical science, life science, mathematics or computer science? Interpret this probability.

D- What is the probability that a randomly selected doctoral candidate who earned a degree in 2009 did not study mathematics? Interpret this probabiity.

Reference no: EM13608086

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