a study was conducted to determine the proportion of people who dream in black and white instead of color. Among 295 people over the age of 55, 70 dream in black and white, and among 266 people under the age of 25, 17 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. Consider the first sample to be the sample of people over the age 55 and the second sample to be the sample of people under the age 25. Test the claim by constructing an appropriate confidence interval. The 98% confidence interval is what? What is the conclusion based on the confidence interval? An explanation for the results is that those over the age of 55 grew up exposed to media that was displayed in black and white.Can these results be used to verify that explanation?
a study was conducted to determine the proportion of people who dream in black and white instead of color. Among 295 people over the age of 55, 70 dream in black and white, and among 266 people under the age of 25, 17 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. Consider the first sample to be the sample of people over the age 55 and the second sample to be the sample of people under the age 25. Test the claim by constructing an appropriate confidence interval. The 98% confidence interval is what? What is the conclusion based on the confidence interval? An explanation for the results is that those over the age of 55 grew up exposed to media that was displayed in black and white.Can these results be used to verify that explanation?
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