Mathematics, 12.07.2019 09:00 bluebabyyy

The distribution of the amount of money spent by first-time gamblers at a major casino in las vegas is approximately normal in shape with a mean of 600 a n d a s t a n d a r d d e v i a t i o n o f 120. according to the standard deviation rule, almost 84% of gamblers spent more than what amount of money at this casino?

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