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OpenStudy (anonymous):
For the following probability distribution, find X is at most 2... X 0 1 2 3 P(x) .2 .1 .3 .4 I am totally unsure how to get the answer which = .6
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OpenStudy (zarkon):
you mean find the probability X is at most 2?
OpenStudy (anonymous):
yes
OpenStudy (zarkon):
.2+.1+.3
OpenStudy (anonymous):
Why? Because you are adding everything before the 2?
OpenStudy (zarkon):
at most 2 means 2 or less...add those probabilities
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OpenStudy (anonymous):
okay thanks
OpenStudy (anonymous):
I have one more...you mind telling me what I am doing wrong?
OpenStudy (anonymous):
never mind... i overlooked a decimal and it was wrong off answer
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