Confidence interval for mean of gifts in houses
A random sample of 100 houses show that spent $370 on gifts alt year with a standard deviation of $105. Find 90% confidence interval for mean of gifts in houses.
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They evaluated that for each 25pesos increase in price, 10 fewer people will come to play. How much must tickets be?"
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Must be 4-6 pages long Be sure to cite all quotes from the textx Based on the book: Required Text: Child, Family, School, Community: Socialization & Support
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