In a computer-generated study, two groups are given two different questionnaires. The computer test is not monitored, the questionnaires are randomly assigned, and the test takers are anonymous. What is the most accurate description of
this study?
A) single-blind experiment
B) double-blind experiment
C) observation
D) experiment

Alaptop computer is purchased for $1350 . after each year, the resale value decreases by 30% . what will the resale value be after 5 years?

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.

Rewrite so the subject can be y in the formula d=m-y/y+n