Homework Answers
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| X | P(X) | X*P(X) | (Mean-X)^2*P(X) |
| -1 | 0.552 | -0.552 | 9.059 |
| 4 | 0.129 | 0.516 | 0.116 |
| 9 | 0.211 | 1.899 | 7.467 |
| 11 | 0.108 | 1.188 | 6.824 |
| Variance | 23.466 | ||
| S.D. | 4.844 |
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scom - Google Search We Work : STA2023_Canvas Integration : Discrete Random Discrete random variables: Problem...
Previous Problem Problem List Next Problem Results for this submission Answer Preview Result Ente...
Previous Problem Problem List Next Problem Results for this submission Answer Preview Result Entered 467 280 correct 1.66786 1.37275 incorrect 1.37275 At least one of the answers above is NOT correct. (1 point) Use Newton's method to find the second and third approximation of a root of 2x +7x +4 0 starting with x 2 as the initial approximation. The second approximation is x2467/280 The third approximation is x31.37275 Note: You can earn partial credit on this problem.
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Could you also show your work? I will def rate you:) Thank you so much! 6 1 Integration by Parts: Problem 8 Previous Problem List Next Results for this submission Entered Result Answer Preview In V42...
Could you also show your
work?
I will def rate you:) Thank you so much!
6 1 Integration by Parts: Problem 8 Previous Problem List Next Results for this submission Entered Result Answer Preview In V42 -1)+2x +C (1/6)"In(sqrt(4*(xA2)-1))+2"x+C incorrect The answer above is NOT correct (1 point) Antidifferentiate using a table of integrals. You may need to transform the integrand first da
6 1 Integration by Parts: Problem 8 Previous Problem List Next Results for this submission Entered Result...
webwork i matho pring19mcnelis / hw4 binomial random variables / 1 HW4 Binomial Random Variables: Problem...
webwork i matho pring19mcnelis / hw4 binomial random variables / 1 HW4 Binomial Random Variables: Problem 1 Previous Problem Problem List Next Problem (1 point) In a family with 5 children, excluding multiple births, what is the probability of having exacty 1 girt? Assume that having a boy is as likely as having a girl at each birth. Preview My Answers Submit Answers
Extra Practice - Test 2: Problem 15 Previous Problem Problem List Next Problem Thl ANSWERS ONLY...
Extra Practice - Test 2: Problem 15 Previous Problem Problem List Next Problem Thl ANSWERS ONLY CHECKED -- ANSWERS NOT RECORDED Results for this submission Entered Answer Preview Result Correct Answ. Incorrect 0.866025403784 The answer above is NOT correct. (0 points) Let y be the solution of the initial value problem y"+y= - sin(2x), y(0) -0,7 (0) = 0. The maximum value of y is Show: CorrectAnswers Preview My Answers Check Answers You have attempted this problem 0 times. This...
Problem List Previous Problem Next Problem (4 points) When parking a car in a downtown parking...
Problem List Previous Problem Next Problem (4 points) When parking a car in a downtown parking lot, drivers pay according to the number of hours or fraction thereof. The probability distribution of the number of hours cars are parked has been estimated as follows: x 12 3456 78 P(X) 0.224 0.128 0.102 0.088 0.064 0.03 0.020.344 A. Mean B. Standard Deviation = The cost of parking is 4.25 dollars per hour. Calculate the mean and standard deviation of the amount...
Section 3.3 Complex Roots: Problem 3 Previous Problem Problem List Next Problem Results for this submission...
Section 3.3 Complex Roots: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Message Result incorrect e^((3/5)t)(c1cos(4t/5)+c2sin(44/5) Variable 'cicos' is not defined in this context The answer above is NOT correct. (1 point) Find y as a function of t if 25y" – 30y' + 25y = 0, y'(0) = 4. y(0) = 5, y(t) = Preview My Answers Submit Answers
Problem 8. (1 point) a) A random sample of 10 cans of peach halves has a...
Problem 8. (1 point) a) A random sample of 10 cans of peach halves has a mean weight of 16 ounces and standard deviation of 0.4 ounces. Find a 80 % confidence interval for a true standard deviation of the weights of all cans of peach halves. Confidence interval: b) What would be the confidence interval for a true standard deviation if the sample size was 45? Confidence interval: Note: You can earn partial credit on this problem. preview answers...
Lecture18: Problem 7 Previous Problem List Next (1 point) The diameter of the twelve-penny common nails...
Lecture18: Problem 7 Previous Problem List Next (1 point) The diameter of the twelve-penny common nails made by 'Snails!, Inc., is normally distributed with standard deviation 0.004 in. A sample of 37 such nails was found to have a mean diameter of 0.127 in. Find a 90% confidence interval for the mean diameter of all such nails. Round the endpoints to five decimal places. Confidence interval is ( Note: You can earn partial credit on this problem. Note: You can...
taledu. IODICI Previous Problem Problem List Next Problem Results for this submission Entered 10 At least...
taledu. IODICI Previous Problem Problem List Next Problem Results for this submission Entered 10 At least one of the answers above is NOT correct. (2 points) The sum of two numbers is 44. One number is 1 less than twice the other number. Write and solve a system equation to answer the following questions The bigger number is and the smaller number is Note: You can earn partial credit on this problem Preview My Answers Submit Answers Your score was...
Lecture 18: Problem 6 Previous Problem List Next (1 point) The average starting salaries for 50...
Lecture 18: Problem 6 Previous Problem List Next (1 point) The average starting salaries for 50 graduates with a certain major was $43947. The standard deviation for all graduates with that major was $8681. Give the 93% confidence interval for the population mean. Round the endpoints to the nearest dollar, and do not put commas in your numbers. Confidence interval: Note: You can earn partial credit on this problem. Note: You can get a new version of this problem after...
Previous Problem Problem List Next Problem Results for this submission Answer Preview Result Entered 467 280 correct 1.66786 1.37275 incorrect 1.37275 At least one of the answers above is NOT correct. (1 point) Use Newton's method to find the second and third approximation of a root of 2x +7x +4 0 starting with x 2 as the initial approximation. The second approximation is x2467/280 The third approximation is x31.37275 Note: You can earn partial credit on this problem.
Previous Problem...
Could you also show your
work?
I will def rate you:) Thank you so much!
6 1 Integration by Parts: Problem 8 Previous Problem List Next Results for this submission Entered Result Answer Preview In V42 -1)+2x +C (1/6)"In(sqrt(4*(xA2)-1))+2"x+C incorrect The answer above is NOT correct (1 point) Antidifferentiate using a table of integrals. You may need to transform the integrand first da
6 1 Integration by Parts: Problem 8 Previous Problem List Next Results for this submission Entered Result...
webwork i matho pring19mcnelis / hw4 binomial random variables / 1 HW4 Binomial Random Variables: Problem 1 Previous Problem Problem List Next Problem (1 point) In a family with 5 children, excluding multiple births, what is the probability of having exacty 1 girt? Assume that having a boy is as likely as having a girl at each birth. Preview My Answers Submit Answers
Extra Practice - Test 2: Problem 15 Previous Problem Problem List Next Problem Thl ANSWERS ONLY CHECKED -- ANSWERS NOT RECORDED Results for this submission Entered Answer Preview Result Correct Answ. Incorrect 0.866025403784 The answer above is NOT correct. (0 points) Let y be the solution of the initial value problem y"+y= - sin(2x), y(0) -0,7 (0) = 0. The maximum value of y is Show: CorrectAnswers Preview My Answers Check Answers You have attempted this problem 0 times. This...
Problem List Previous Problem Next Problem (4 points) When parking a car in a downtown parking lot, drivers pay according to the number of hours or fraction thereof. The probability distribution of the number of hours cars are parked has been estimated as follows: x 12 3456 78 P(X) 0.224 0.128 0.102 0.088 0.064 0.03 0.020.344 A. Mean B. Standard Deviation = The cost of parking is 4.25 dollars per hour. Calculate the mean and standard deviation of the amount...
Section 3.3 Complex Roots: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Message Result incorrect e^((3/5)t)(c1cos(4t/5)+c2sin(44/5) Variable 'cicos' is not defined in this context The answer above is NOT correct. (1 point) Find y as a function of t if 25y" – 30y' + 25y = 0, y'(0) = 4. y(0) = 5, y(t) = Preview My Answers Submit Answers
Problem 8. (1 point) a) A random sample of 10 cans of peach halves has a mean weight of 16 ounces and standard deviation of 0.4 ounces. Find a 80 % confidence interval for a true standard deviation of the weights of all cans of peach halves. Confidence interval: b) What would be the confidence interval for a true standard deviation if the sample size was 45? Confidence interval: Note: You can earn partial credit on this problem. preview answers...
Lecture18: Problem 7 Previous Problem List Next (1 point) The diameter of the twelve-penny common nails made by 'Snails!, Inc., is normally distributed with standard deviation 0.004 in. A sample of 37 such nails was found to have a mean diameter of 0.127 in. Find a 90% confidence interval for the mean diameter of all such nails. Round the endpoints to five decimal places. Confidence interval is ( Note: You can earn partial credit on this problem. Note: You can...
taledu. IODICI Previous Problem Problem List Next Problem Results for this submission Entered 10 At least one of the answers above is NOT correct. (2 points) The sum of two numbers is 44. One number is 1 less than twice the other number. Write and solve a system equation to answer the following questions The bigger number is and the smaller number is Note: You can earn partial credit on this problem Preview My Answers Submit Answers Your score was...
Lecture 18: Problem 6 Previous Problem List Next (1 point) The average starting salaries for 50 graduates with a certain major was $43947. The standard deviation for all graduates with that major was $8681. Give the 93% confidence interval for the population mean. Round the endpoints to the nearest dollar, and do not put commas in your numbers. Confidence interval: Note: You can earn partial credit on this problem. Note: You can get a new version of this problem after...
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