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Mathematics, 21.06.2019 22:00, nijanicole164
Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.
Answers: 2
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.
Answers: 1
Physics, 12.10.2019 15:30
Mathematics, 12.10.2019 15:30