<PRE><B>Question 581222</B>
The number of times the SAT was taken and the number of students are as follow
Number of times Number of students
1 721,769
2 601,325
3 166,736
4 22,299
5 6,730
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Total number os students = 1518859
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Let x be a random variable indicating the number of times a student takes the SAT. Show the probability for this random vaiable.(to 4 decimals) 
P(x=1) = 721769/1518859 = 0.4752
P(x=2) = 601,325/1518859 = 0.3959
etc.  (Use the same method to find the following probabilities)
x=3
x=4
x=5
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Cheers,
Stan H. 
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