Mathematics, 11.11.2021 14:00 smiley29162

Need help,, if anyone knows that could help it would be very much appreciated

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Mathematics, 21.06.2019 23:00, sugar1014

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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