Lesson 3: staying sharp
1.
if each piece of fruit stands for a number, it's possible
to figure out the number for one of the pieces of fruit.
which fruit must equal a particular number, and why?
answer with supporting work:
acticing skills & concepts

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.