Calculus and Above

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A university surveyed recent graduates of the English
A university surveyed recent graduates of the English department for their starting salaries. Six hundred and forty graduates returned the survey. The average salary was $27,400, with a standard devia… read more
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Suppose the average grade point average​ (GPA) for the
Suppose the average grade point average​ (GPA) for the undergraduate student population at​ Goldey-Beacom College is 3.20. The following list is a random sample of the GPAs of five students from the c… read more
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4. Suppose we take repeated random samples of 50 college
4. Suppose we take repeated random samples of 50 college students from the same population and determine a 95% confidence interval for the mean GPA from each sample. Which of the following statements … read more
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4. The of the engineering school at a technical university
4. The dean of the engineering school at a technical university wants to emphasize the importance of having students who are gifted at reading and writing as well as math. She wants to know if she can… read more
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4. Dr. would like to do a survey on whether the proportion
4. Dr. Gray would like to do a survey on whether the proportion of people ages 18 to 22 who have seen a healthcare professional (doctor, nurse, hospital, etc.) in the past year is higher than the nati… read more
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I need help with stats problems asap. A sample of 10
A sample of 10 observations from a normal distribution has a sample mean of 50 and a sample standard deviation of 15.43. The alternative hypothesis is that mu is greater than 45. What is the critical value of the test statistic at the 0.02 level of significance a. 1.973 b. 2.150 c. 2.398 d. 1.833. e. 2.821 … read more
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You are interested in first-generation college students
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According to a survey of 12 college students, the average
According to a survey of 12 college students, the average hourly wage of a student working as a Co-op(Group 1) is $15.64 an hour with a sample standard deviation (s1) of 1.09. And, the average hourly … read more
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Student Debt – Vermont: The average student loan debt of a
Student Debt – Vermont: The average student loan debt of a U.S. college student at the end of 4 years of college is estimated to be about $22,300. You take a random sample of 131 college students in t… read more
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1. Some students that attend college students work full or
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The GPA of students in a large university follows a normal
The GPA of students in a large university follows a normal distribution with an average 3.05 and SD of 0.45. Find the chance that a student's GPA is greater than 3.5. Answer a. 95% b. 14.89% c. 68% d.… read more
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1) 5 students from each class were randomly selected from
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1. Classify the following studies as descriptive or inferential
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1) 5 students from each class were randomly selected from
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Subject: Quantitative approach to business decision-I need
Subject: Quantitative approach to business decision-I need assistances with 25 questions (multiple choice or true/false). 2.5 hours to complete.… read more
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1. In each of the following, classify the resulting data variable
1. In each of the following, classify the resulting data variable as qualitative or as quantitative. If quantitative, label as discrete or as continuous. a. Name of the make of your vehicle. discrete … read more
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Question 27 The heights of the men age 18 and over in the
Question 27 The heights of the men age 18 and over in the HANES sample averaged 68.5 inches; the SD was 2.9 inches. Use the normal curve to estimate the percentage of these men with heights between 65… read more
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Question 1 For a cluster sample, the estimates of the halves
Question 1 For a cluster sample, the estimates of the halves came in at 58.75 and 58.35. Find the Standard Error. Answer a. 0.30 b. 110.6 c. 0.15 d. 0.20 e. 110.9 Question 3 A utility company serves 5… read more
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