Pls pls help I will give 40points !!
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Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
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Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?
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Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9
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