1.A study 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 the age of 25, 13 dream in black and white.

a. Find the 98% confidence interval for the difference of the two proportions.

b. Would you reject the null hypothesis that there is no difference in the proportions of people over 55 people who dream in black and white when compared to the proportion of those under 25? Justify your answer based on the confidence interval.

Quiz 2 Name: Directions: Complete each of the following problems. Be sure to show your work in order to receive full or partial credit. 1. A study 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 the age of 25, 13 dream in black and white. (7 points) a. Find the 98% confidence interval for the difference of the two proportions. b. Would you reject the null hypothesis that there is no difference in the proportions of people over 55 people who dream in black and white when compared to the proportion of those under 25? Justify your answer based on the confidence interval