Which mistake did dolly have in her conclusion?

Steve has a rectangular gazebo in his back yard with a width of 3 feet less than times its length and an area of 156 square feet. what is the length of the gazebo, rounded to the nearest tenth?

If a student should decide to leave school permanently for any reason how many months does that student have before he or she needs to begin repaying the direct stafford loan

Astudy was conducted to determine the proportion of people who dream in black and white instead of color. among 306 people over the age of 55, 68 dream in black and white, and among 298 people under 25, 13 dream in black and white ( based on data from do we dream in color) we want to use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion of those under 25.