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OpenStudy (anonymous):
Help with probability
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OpenStudy (anonymous):
The number of courses X taken in one term by students at a large university has the probability distribution shown below ,where k is some constant: X. 1 2 3 4 5 6 P(X=x) 0.05 k 0.21 3k 0.32 2k What is the probability that a randomly selected student is taking at least 3 courses in one term?
OpenStudy (anonymous):
Can you guys help?
OpenStudy (anonymous):
what do u think?
OpenStudy (anonymous):
I got k is 0.07
OpenStudy (anonymous):
Okk, at least 3 courses means 3 or 4 or 5 or 6 courses
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OpenStudy (anonymous):
I got it thanks so much
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