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Consider the hypothesis test given by H0 p=0.5 H1>0.5
In a random sample of 625 subjects, the sample proportion is found to be pˆ= .0 55.
(a) Determine the test statistic. Show all work; writing the correct test statistic, without supporting work, will receive no credit
(b) Determine the P-value for this test. Show all work; writing the correct P-value,without supporting work, will receive no credit.
(c) Is there sufficient evidence to justify the rejection of H0 at the 0.01 level?
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State the null and alternative hypothesis for this test. What is the t-statistic? Show how this t-statistic was calculated. What is the result of the hypothesis test
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Create a probability model for this carnival game.- Find the expected number of darts you'll throw.- Find your expected winnings.
Compare the three designs on speed of completion, the builder randomly selects 10 homes that he built in the past based on each of the three designs.
Total marketing effort is a term used to describe the critical decision factors that affect demand: price, advertising, distribution, and product quality. Let the variable x represent total marketing effort. A typical model that is used to predict..
a. Fit a simple linear regression model by ordinary least squares and obtain the residuals. Also obtain s{b0} and s{b1}. b. Plot the residuals against time and explain whether you find any evidence of positive autocorrelation.
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