Which of the following steps is NOT involved in drownproofing? A. Swim 10 meters closer to the shore and then relax. B. Straighten the legs, press arms down, and then inhale. C. Every 5 to 10 seconds, raise arms, separate legs to lift the mouth above the water, and exhale. D. Relax in the rest position. Please select the best answer from the choices provided. A B C D

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.