To get free points answer this question A chess master plays 500 games against a computer. If the number of games won out of all the games played is expressed as a decimal, how many decimal places would give you the most accurate measure of the chess master's success? Be sure to defend your answer!

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Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?