Mrs. Ave has donated pencils to the fourth graders. If she has 123 pencils to split evenly, and there are 5 classrooms in the fourth grade, then how many pencils will each classroom get? Will there be any leftover pencils? If so, then how many pencils will be leftover? Please explain how you found your answer mathematically.
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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.