Question

A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 315 people over the age of 55, 72 dreamed in black and white and among 302 people under the age of 25, 11 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and whit is greater than the proportion for those under 25.

1. what is the null and alternative hypothesis

2. what is the test statistics

3. what is the p value

4. what is the conclusion base on this hypothesis test.

5. can these result be used to verify that explanation

Answer 1