When doing probability on a z table how do I know when to do 1 minus "n"
For example, would I do it for P{z< .63?="" .63="" on="" the="" z-table="" .7357,="" would="" that="" be="" the="" answer="" or="" should="" i="" subtract="" that="" from="">
Also, does anything change if the "less than sign" becomes a "less than or equal to sign"?
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