Martin recibio el pedido del vivero. puso 27 plantines en cada uno de los 15 maceteros que rodean al edificio y dejo 4 para la entrada.¿cuantos plantines habia encargado? ES PARA HOY PORFAAA

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.