Exam (elaborations)
QNT 351 FINAL EXAM AUGUST 2017
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1. The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month? 0.1151 0.0362 0.8750 0.2158 2. As the size of the sample increases, ...
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