Since my sister needs again (she prob going to take over this acc)

to protect themselves from extreme hot or cold temperates, american alligators dig burrows in the mud. suppose there are 20 alligators, each with 50 feet of burrows. what is the total length of all the burrows?

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.