SOLUTION: can you please advise how to solve a P(at most ...), at least type probability type questions For example x P(x) 0 .07 1 .68 2 .21 3 .03 4

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Question 675733: can you please advise how to solve a P(at most ...), at least type probability type questions
For example
x P(x)
0 .07
1 .68
2 .21
3 .03
4 .01
The questions state find P for at least 1 cc and the P for at most 2 cc
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

P(x ≥ 1) = 1 - P(x= 0) = 1-.07 =.93

P(x ≤ 2) = .07+.68 = .75  Or    1 - .21 - .03 - .01 = .75