A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 319 people over the age of 55, 77 dream in black and white, and among 313 people under the age of 25, 15 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 white is greater than the proportion for those under 25. Complete parts (a) through (c) below. Identify the test statistic: Z= ___?____ Identify the P-Value: _______ State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. _________ Identify the confidence interval limits for the appropriate confidence interval. __?____ < P1-P2 < __?____
A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 319 people over the age of 55, 77 dream in black and white, and among 313 people under the age of 25, 15 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 white is greater than the proportion for those under 25. Complete parts (a) through (c) below.
Identify the test statistic:
Z= ___?____
Identify the P-Value: _______
State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. _________
Identify the confidence interval limits for the appropriate confidence interval.
__?____ < P1-P2 < __?____
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 4 images
