Posted by Lisa on Wednesday, November 30, 2011 at 12:09pm.
It would help if you proofread your questions before you posted them.
Question is confusing. What are your asking for specifically?
What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?
Multiplicaiton Rule:
P(math and computer)=P(math) *P(computer)
P(math and computer) = 72/650 * 105/650 = 0.018
The probability that a student enrolled at this college is a math and biology major is 0.018
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