For breakfast, clarissa can choose from oatmeal, cereal, french toast, or scrambled eggs. she thinks that if she selects a breakfast at random, it is likely that it will be oatmeal. is is she correct? explain your reasoning.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.