Which of the following is a way to use a plant’s DNA in forensic science? a. A forensic scientist can use a plant’s DNA to prove a suspect was in the area of a crime. c. A forensic scientist can add a plant’s DNA to a DNA sample to make it large enough to test. b. A forensic scientist can use a plant’s DNA to identify a victim’s father. d. All of these are ways a forensic scientist can use a plant’s DNA.

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.