Calculus and Above

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Assume that nontraditional undergraduate college students are defined as 25 years or older and working. And assume the population mean Grade Point Average of nontraditional students is 3.50 with a pop… 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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A researcher wishes to determine if enrollments for medical
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1) 5 students from each class were randomly selected from
1) 5 students from each class were randomly selected from all 44 different undergraduate classes in the Eberly College of Science at Penn State. The 220 undergraduate students completed an anonymous s… read more
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1. Assume you need to build a confidence interval for a population
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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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STATISTICS help asap! I need help with these within 18 mins.
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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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A random sample of 1500 adults is taken. Their opinions about the performance of the President are recorded. True or False: This is a controlled experiment. Answer True False . 1.33 points Question 6 … read more
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for ryan, A gambler plays roulette, and makes a \$1 bet on
for ryan, A gambler plays roulette, and makes a \$1 bet on four numbers, 400 times. The bet pays 8 to 1. Find the standard error for the sum. Answer a. none of these b. \$56.76 c. \$55.24 d. \$15.80 e. \$6… read more
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For Ryan: Question 10 For the given table, make a histogram,
For Ryan: Question 10 For the given table, make a histogram, then find how many subjects are in the class interval from 9-12. There are 250 total subjects. Educational Level(in Years) Frequency Percen… read more
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A card is picked at random from a shuffled deck. What is the
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Find the probability that three cards are drawn from a deck,
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A researcher wants to study the spending habits of customers
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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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A real estate office wants to make a survey in a certain town,
A real estate office wants to make a survey in a certain town, which has 50,000 households, to determine how far the head of household has to commute to work. A simple random sample of 1,000 household… read more
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If 600 different polling firms each construct a 99%
If 600 different polling firms each construct a 99% confidence interval (based on 600 different random samples) for the average age of male college students in the U.S. majoring in mathematics, how ma… read more
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"StatsPro" 16.Suppose a simple random sample of 150 students
"StatsPro" 16.Suppose a simple random sample of 150 students is drawn from a population of 3000 college students. Among sampled students, the average IQ score is 115 with a standard deviation of 10. W… read more
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