2. the amount paid for different weights of oranges at a farmer’s market are shown below. oranges (lb) price ($) $3 $4.50 $7.50 $12 (a) mrs. roberts found that the unit rate for oranges is $1.50 per pound. show two ways that mrs. roberts could have found this unit rate, using the patterns/relationships in the chart.

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.