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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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Answers: 3
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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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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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