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this isn't the whole question but it gets the point across
"what's the probability that a number is between 10 and 90?"
that SHOULD NOT include 10 and 90 right? or should it?
the book explanation says "here's a quick shortcut, between 10 and 90, there are 81 #'s)
but since the question asked for "between 10 and 90" i was thinking 79 possibilities..
"what's the probability that a number is between 10 and 90?"
that SHOULD NOT include 10 and 90 right? or should it?
the book explanation says "here's a quick shortcut, between 10 and 90, there are 81 #'s)
but since the question asked for "between 10 and 90" i was thinking 79 possibilities..
