The formula distance = rate X time (d = rt) tells how far an object travels at a certain rate (speed) over a certain time. How long will it take a train to travel 765 miles at 85 miles per hour?
O A. 9 hours
OB. 11 hours
O c. 12.75 hours
O D. 850 hours
O E. 65,025 hours
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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.