a
study was conducted to determine the proportion of people who dream
in black and white instead of color. among 307 people over the age
of 56,69 dream in black and white, among 312 people under the age
of 25,11 dream in black and white. use 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 for those under
25.