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Given a 99% confidence interval for p1-p2 as (-0.58, 0.58). What can be concluded?
a) p1>p2
b) nothing
c) p1=p2
d) p1<p2
Explain your conclusion
a manufacturer of sports drinks has randomly sampled 198 men and 202 women. each sampled participant was asked to taste
Wwith a standard deviation of 1.7 grams. Assuming the distribution of weights is normally distributed, 4% of whooping crane eggs weigh less than how many grams?
The annual returns, in percentages, on stocks A and B for three possible states of the economy are given in the table below.
1)Find the margin of error for the given values of C, S, and N. C=0.95, S=3.8, N=64. E=? round 3 decimal places
production engineers at sinotron believe that a modified layout on its assembly lines might increase average worker
Describe meaning of alternatives, criteria and states of nature. Explain how are they utilized in decision analysis?
Discuss how the statistical application of Pearson r is used for hypothesis testing.l Through application of the Spearman Correlation discuss what type of data the Pearson formula can be used for.
Use a 0.05 significance level to test the claim that this sample comes from a population with a married percentage of less than 58.6%.
The average price of a sample of 12 bottles of diet salad dressing taken from different stores is $1.43. The standard deviation is $0.09. The average price of a sample of 16 low-calorie frozen desserts is $1.03.
a comparison between the average jail time of bank robbers and car thieves yielded the following results in yearsn180
An airline tracks data on its flight arrivals. Over the past six months, 65 flights on one route arrived early, 273 arrived on time, 218 were late, and 44 were cancelled.
The dean of students believes that teh costs are greater this semester. What is the test value for this hypothesis?
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