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Mathematics, 10.03.2020 20:28 kaylabay1997
(Binomial distribution) Forty-four percent of customers who visit a department store make a purchase. The probability that in a random sample of 10 customers who will visit this department store, exactly six will make a purchase is.
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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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(Binomial distribution) Forty-four percent of customers who visit a department store make a purchase...
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