Mathematics, 07.10.2019 07:10 raemcbride5678
Three girls are selling cases of popcorn to earn money for a band trip. in week 1, emily sold 2 3/4 cases, brenda sold 4 1/4 cases, and shannon sold 3 1/2 cases.
part a
how many cases of popcorn have the girls sold in all? (use associative property) explain how you found the answer.
part b
the girls must sell a total of 35 cases in order to have enough money for the trip. suppose they sell the same amount in week 2 and week 3 of the sale as in week 1. will the girls have sold enough cases of popcorn to go on the trip? explain.
Answers: 2
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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.
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Three girls are selling cases of popcorn to earn money for a band trip. in week 1, emily sold 2 3/4...
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