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A study was conducted to determine the proportion of people who dream in black and white...

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Statistics

A study was conducted to determine the proportion of people whodream in black and white instead of color. Among 293 people overthe age of​ 55, 69 dream in black and​ white, and among 305 peopleunder the age of​ 25,18 dream in black and white. Use a 0.05significance level to test the claim that the proportion of peopleover 55 who dream in black and white is greater than the proportionfor those under 25. Complete parts​ (a) through​ (b)

a. Consider the first sample to be the sample of occupants notwearing seat belts and the second sample to be the sample ofoccupants wearing seat belts. What are the null and alternativehypotheses for the hypothesis​ test?

Identify the test statistic.

Identify the​ P-value.

b. Test the claim by constructing an appropriate confidenceinterval.

Answer & Explanation Solved by verified expert
4.1 Ratings (589 Votes)
a Below are the null and alternative Hypothesis Null Hypothesis H0 p1 p2 Alternate Hypothesis Ha p1 p2 p1cap X1N1 69293 02355 p1cap X2N2    See Answer
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