Suppose 18% of UNF students pull at least one all-nighter du…

Suppose 18% of UNF students pull at least one all-nighter during finals week. A random sample of 20 UNF students was selected. (Round to 3 decimal places.)   a. Find the probability that between 2 and 4 (inclusive – meaning you include the 2 and 4 in your calculations) of these students pulled at least one all-nighter during finals week. [a] b. Find the expected number of UNF students who pull at least one all-nighter during finals week. [b]

A vet is interested in the amount of exercise owners give th…

A vet is interested in the amount of exercise owners give their dogs per day. The vet randomly selects 35 dog owners and asks them how much exercise they give their dogs daily. The average from those sampled was 57 minutes.   a. The population is [a]. b. The sample is [b].