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part 2 Hwill sec 6.2 Previous 2 3 45 Next Question 3 of 5 (1 point)...
part 2
Hwill sec 6.2 Previous 2 3 45 Next Question 3 of 5 (1 point) View problem in a pop-up For a certain group of individuals, the average heart rate is 73 beats per minute. Assume the variable is normally distributed and the standard deviation is 2 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Round the final answers to four decimal places and intermediate z-value...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.4 pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. Part 1 out of 4 The best point estimate of the mean is pounds. CHECK NEXT 7.1 Section...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.4 pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. Part 1 The best point estimate of the mean is 30.0 pounds. Part 2 out of 4 Find...
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< Previous Previous 2 3 4 5 6 7 8 9 10 Next Next Question 1 of 10 (1 point) View problem in a pop-up Determine whether the distribution represents a probability distribution. X | 2 P(x) 0.1 6 0.4 9 11 0.7 0.9 Download data Part 1 out of 2 The distribution (select) a probability distribution. CHECK NEXT
Previous 1 2 3 4 5 6 7 Next Question 6 of 7 (1 point) View...
Previous 1 2 3 4 5 6 7 Next Question 6 of 7 (1 point) View problem in a pop-up Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 7 recent years are shown. The regression line equation is y -36.9139+ 0.48904r. The correlation coefficient is 0.999. Compute the standard error of the estimate, if appropriate. Assume a -0.05. 10.3 Section Exercise 16 Number of fires x 84 62 57...
please answer both questions Question 5 of 17 (1 point) View problem in a pop-Up Approximately...
please answer both questions
Question 5 of 17 (1 point) View problem in a pop-Up Approximately 10.8% of American high school students drop out of school before graduation. Assume the variable is binomial. Choose 18 students entering high school at random. Find these probabilities. Round intermediate calculations and final answers to three decimal places. Source: www.infoplease.com Part 1 No more than three drop out P(no more than three drop out)-0.878 Part 2 All 18 stay in school and graduate P(all...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.4 pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. Part 1 The best point estimate of the mean is 30.0 pounds. Part 2 Find the 90% confidence...
Previous Next Question 3 of 3 (1 point) View problem in a pop-up 11.1 Section Exercise...
Previous Next Question 3 of 3 (1 point) View problem in a pop-up 11.1 Section Exercise 12 (calc) The Head Start Program provides a wide range of services to low-income children up to the age of 5 and their families. Its goals are to provide services to improve social and learning skills and to improve health and nutrition status so that the participants can begin school on an equal footing with their more advantaged peers. The distribution of ages for...
Previous 2 4 15 6 89 10 Next Question 3 of 11 (1 point) View problem...
Previous 2 4 15 6 89 10 Next Question 3 of 11 (1 point) View problem in a pop-up Use Table A.3 to find the critical value or values for the following values of the significance level a, sample size n, and alternate hypothesis H1- 8.3 Section Exercise 13-14 Part 1 when α = 0.01, n = 20, and HI: μ > μ 0. t- 2.023 Correct answer: 2.539 Part 2 out of 4 when α = 0.10, n =...
Previous 3 4 Next Question 2 of 4 (1 point) 74 Section Exercise 5 Que A...
Previous 3 4 Next Question 2 of 4 (1 point) 74 Section Exercise 5 Que A study of life expectancy showed that a sample of 6 states had a standard deviation of 1.3 deaths per year. Find the 90% confidence interval of the variance and standard deviation. Assume the variable is normally distributed. Round your final answers to one decimal place. Check Gui <o?< s! <o< As
part 2
Hwill sec 6.2 Previous 2 3 45 Next Question 3 of 5 (1 point) View problem in a pop-up For a certain group of individuals, the average heart rate is 73 beats per minute. Assume the variable is normally distributed and the standard deviation is 2 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Round the final answers to four decimal places and intermediate z-value...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.4 pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. Part 1 out of 4 The best point estimate of the mean is pounds. CHECK NEXT 7.1 Section...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.4 pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. Part 1 The best point estimate of the mean is 30.0 pounds. Part 2 out of 4 Find...
< Previous Previous 2 3 4 5 6 7 8 9 10 Next Next Question 1 of 10 (1 point) View problem in a pop-up Determine whether the distribution represents a probability distribution. X | 2 P(x) 0.1 6 0.4 9 11 0.7 0.9 Download data Part 1 out of 2 The distribution (select) a probability distribution. CHECK NEXT
Previous 1 2 3 4 5 6 7 Next Question 6 of 7 (1 point) View problem in a pop-up Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 7 recent years are shown. The regression line equation is y -36.9139+ 0.48904r. The correlation coefficient is 0.999. Compute the standard error of the estimate, if appropriate. Assume a -0.05. 10.3 Section Exercise 16 Number of fires x 84 62 57...
please answer both questions
Question 5 of 17 (1 point) View problem in a pop-Up Approximately 10.8% of American high school students drop out of school before graduation. Assume the variable is binomial. Choose 18 students entering high school at random. Find these probabilities. Round intermediate calculations and final answers to three decimal places. Source: www.infoplease.com Part 1 No more than three drop out P(no more than three drop out)-0.878 Part 2 All 18 stay in school and graduate P(all...
Question 7 of 9 (1 point) View problem in a pop-up 7.1 Section Exercise 11 For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.4 pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. Part 1 The best point estimate of the mean is 30.0 pounds. Part 2 Find the 90% confidence...
Previous Next Question 3 of 3 (1 point) View problem in a pop-up 11.1 Section Exercise 12 (calc) The Head Start Program provides a wide range of services to low-income children up to the age of 5 and their families. Its goals are to provide services to improve social and learning skills and to improve health and nutrition status so that the participants can begin school on an equal footing with their more advantaged peers. The distribution of ages for...
Previous 2 4 15 6 89 10 Next Question 3 of 11 (1 point) View problem in a pop-up Use Table A.3 to find the critical value or values for the following values of the significance level a, sample size n, and alternate hypothesis H1- 8.3 Section Exercise 13-14 Part 1 when α = 0.01, n = 20, and HI: μ > μ 0. t- 2.023 Correct answer: 2.539 Part 2 out of 4 when α = 0.10, n =...
Previous 3 4 Next Question 2 of 4 (1 point) 74 Section Exercise 5 Que A study of life expectancy showed that a sample of 6 states had a standard deviation of 1.3 deaths per year. Find the 90% confidence interval of the variance and standard deviation. Assume the variable is normally distributed. Round your final answers to one decimal place. Check Gui <o?< s! <o< As
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