Calculus and Above

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3. The distribution of SAT scores on the math section is
3. The distribution of SAT scores on the math section is normal with u=500 and o=100. … read more
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Answer the following problems showing your work and explaining (or analyzing) your results. 1.Explain Type I and Type II errors. Use an example if needed. 2.Explain a one-tailed and two-tailed test. U… read more
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REMEMBER, these are assessed preparatory problems related to
REMEMBER, these are assessed preparatory problems related to the content of Unit 3. The Unit 3 Exam will consist of similar types of problems, but not exactly the same. Thus, make sure you are thinkin… read more
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Question 1 Given the following 2 sets of data, ten values
Question 1 Given the following 2 sets of data, ten values each) (you may want to write this down and/or type into your SPSS data window for use in the next few questions too): Group 1: (23, 41, 16, 75… read more
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BUSINESS STATISTICS PROBLEMS! For each problem, 1.
BUSINESS STATISTICS PROBLEMS! For each problem, 1. Click on “State the null hypothesis” and finish the null hypothesis. 2. Click on “State the alternative hypothesis” and finish thealternative hypothe… read more
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For problems 7 – 8 you are to use the p-value approach to test
For problems 7 – 8 you are to use the p-value approach to test the hypotheses where σ is not known. 7. A local brewery wishes to ensure that an average of 12 ounces of beer is used to fill each bottle… read more
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For problems 1 – 3 you are to use the p-value approach to test
For problems 1 – 3 you are to use the p-value approach to test the hypotheses where σ is known. 1.A university advises parents of incoming freshmen that the average cost of textbooks is typically grea… read more
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For problems 1 – 3 you are to use the p-value approach to test
For problems 1 – 3 you are to use the p-value approach to test the hypotheses where σ is known. 1. A university advises parents of incoming freshmen that the average cost of textbooks is typically gre… read more
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Identify the null hypothesis Ho and the alternative hypothesis
Identify the null hypothesis Ho and the alternative hypothesis H1. A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 1 in every one thousa… read more
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Identify the null hypothesis Ho & the alternative hypothesis H1
Identify the null hypothesis Ho and the alternative hypothesis H1. A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 1 in every one thousa… read more
Ryan
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9. What is the minimum sample size you should use to assure
9. What is the minimum sample size you should use to assure that your estimate of pq5_7 will be within the required margin of error around the population p? Margin of error: 0.005; confidence level: 9… read more
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1. The lengths of human pregnancies are normally distributed
1. The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy lasts at least 300 days? (Points : 6)… read more
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For problems 1 – 3 you are to use the p-value approach to test
For problems 1 – 3 you are to use the p-value approach to test the hypotheses where σ is known. 1. A university advises parents of incoming freshmen that the average cost of textbooks is typically gre… read more
Ryan
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1. Assume you need to build a confidence interval for a population
1. Assume you need to build a confidence interval for a population mean within some given situation. Naturally, you must determine whether you should use either the t-distribution or the z-distributio… read more
Math-John
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A clinical psychologist notices that admission to the psychiatric
A clinical psychologist notices that admission to the psychiatric hospital she works at seem to vary by season. Using a chi-square test, she rejects the null hypothesis that hospital admission is inde… read more
Math-John
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2)Which of the following hypothesis tests use a z test statistic? A)
2)Which of the following hypothesis tests use a z test statistic? A) Matched Pairs B) Single Proportion C) Two Proportions D) Goodness-of-Fit E) Single Mean: σ Known F) Independence G) Two Variances H… read more
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6. Rank the following data in increasing order and find the
6. Rank the following data in increasing order and find the positions and values of both the 39th percentile and 73rd percentile. Please show all of your work. 5 5 0 0 9 6 8 9 2 6 3 8 7. For the table… read more
Scott
Master's Degree
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1. (A) Classify the following as an example of nominal,
1. (A) Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: customer ratings of 10 area grocery stores (B) Determi… read more
Chirag
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