Mathematics
Mathematics, 28.08.2019 07:30, giraffegurl

Atravel agency did a survey and found that the average local family spends $1900 on a summer vacation. the distribution is normally distributed with standard deviation $390. a. what percent of the families took vacations that cost under $1500. round to the nearest percent.

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Atravel agency did a survey and found that the average local family spends $1900 on a summer vacatio...

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