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A study was conducted to determine the proportion of people who dream in blacksand white instead of color. Among 308 people over the age of
A study was conducted to determine the proportion of people who dream in blacksand white instead of color. Among 308 people over the age of 55, 80 dream in black and white. and among 307 people under the age of 25. 10 dream in black and white. Use a 0.05 signicance 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 (0) below @* (Round to two decimal places as needed.) Identify the P-value. Pvalue = 0.000 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is less than the significance level ofor = 0.05, so reject the null hypothesis. There is suffICIent eVIdence to support the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. b. Test the claim by constructing an appropriate confidence interval The 90% confidence interval' Is- 0. 260
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