The supply station donated 115 notebooks to mrs. Michale to give to her class there are 28 students in her class mrs. Michale gives each student the same number of notebooks how many notebooks does she give each student

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.