Picture or photo frames are prepared in a workshop. How many rectangular frames measuring 15.4 cm by 3.7 dm can be produced from a metal strip 8,384 m long? Instruction: Convert all units to cm and then perform the operations.

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.