The following table gives data from 100 American adults. The…

The following table gives data from 100 American adults. They were asked their age and if they smoke. Less than 40 years old 40 years old or older Smoker 16 35 Nonsmoker 27 22 (Round to three decimals as needed.)   a. Find the probability that a randomly selected adult is a smoker and less than 40 years old. b. Find the probability that a randomly selected adult is a smoker or less than 40 years old. c. Find the probability that a randomly selected adult is a smoker, given they are less than 40 years old.

Suppose 32% of UNF students pull at least one all-nighter du…

Suppose 32% of UNF students pull at least one all-nighter during finals week. A random sample of 14 UNF students was selected. (Round to 3 decimal places.)   a. Find the probability that between 4 and 6 (inclusive – meaning you include the 4 and 6 in your calculations) of these students pulled at least one all-nighter during finals week. b. Find the expected number of UNF students who pull at least one all-nighter during finals week.