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A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 66 girls in 144 births, so the sample statistic of 11/24 results in a z score that is 1 standard deviation below 0. Complete parts (a) through (h) below.
A. Identify the null hypothesis and the alternative hypothesis. B. What is the value of alphaα?
C. What is the sampling distribution of the sample statistic?
D. Is the test two-tailed, left-tailed, or right-tailed?
e. What is the value of the test statistic?
F. What is the P-value?
G. What are the critical value(s)?
H. What is the area of the critical region?
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What are the expected values for each alternative? What decision should be made under expected value? What is the EVPI?
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Uncle Henry has been having trouble keeping his weight constant. In fact, at the end of each week, he notices that his weight has changed by a random amount, uniformly distributed between ?0.5 and 0.5 pounds.
What is a 95% confidence interval
A major razor blade manufacturer advertises
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Which of these strategies is better for the professors
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