Answered step by step
Verified Expert Solution
Question
1 Approved Answer
There are 11 questions, with varying amount of points allocated to each. Free response questions value more points. Type your answers paying attention to how
There are 11 questions, with varying amount of points allocated to each. Free response questions value more points. Type your answers paying attention to how the answers must entered, 3 decimal places, using percentages. For the worded responses, write clear and full sentences, especially for the conclusion of the hypothesis tests. I will review all papers when I grade the free response questions. D Question 6 8 pts Country Brazil Germany Mexico UK Canada China India Carbon 361 844 398 577 631 emissions 1105 976 The table above shows the carbon emissions in metric tons for a certain year of a selection of countries. Construct a 90% confidence interval for the population standard deviation. Confidence interval ( Previous Next No new data to save. Last checked at 8:12am Submit Quiz MacBook Pro esc A N 5 6 9 O Q W E R T Y U O A S D F G H C K Z X C V B N MFor the worded responses, write clear and full sentences, especially for the conclusion of the hypothesis tests. I will review all papers when I grade the free response questions. 6 pts D Question 4 A vending machine company tested a sample of 36 cans of soda from a vending machine and determined the confidence interval for the mean amount of soda in a 12 oz can to be (11.87, 12.23) ounces. The population standard deviation of the amount of soda in these cans is 0.76 ozs. What confidence level was used to construct the confidence interval? Give your answer as a.percentage to one decimal place, example 21.2%. Next Previous Not saved Submit Quiz MacBook Pro esc a # o & W 5 6 7 O Q W E R T Y U O P 4 S D F G H K ock Z X C B N K M ontrol option command command optionType your answers paying attention to how the answers must entered, 3 decimal places, using percentages. For the worded responses, write clear and full sentences, especially for the conclusion of the hypothesis tests. I will review all papers when I grade the free response questions. 2 pts D Question 3 In order to estimate the mean FICO credit score of its members, a credit union samples the scores of 207 members and obtains a sample mean of 738.2. The population standard deviation of credit scores, has always been used as 47.8. Construct a 95% confidence interval for the mean FICO score of the credit union members. Give your answer to 2 decimal places. Previous Next Not saved Submit Quiz Macbook Pro esc @ # N W A 6 O Q W tab E Y U O P A S caps lock D F G H K . . hift 7 X C V B IN M ? control option command command optionFor the worded responses, write clear and full sentences, especially for the conclusion of the hypothesis tests. I will review all papers when I grade the free response questions. 2 pts D Question 2 The 95% confidence interval of the average GPA of business students on graduation from a certain college is (2.75, 3.77). What is the point estimate of the average GPA and what is the margin of error? Give your answer using 2 decimal places. Point estimate Margin of error Next Previous Quiz saved at 8:14am Submit Quiz esc a & 5 7 W E R T Y U O P A S D F G H K Z X C B N M T 9.P o option command command optionew all papers when I grade the free response questions. 2 pts D Question 1 A survey of 500 families showed that 70% of them owned at least one television set. Find the 99% confidence interval of the true percentage of families who own at least one television set. Give your answer using 3 decimal places. ( Next Not saved Submit Quiz esc % & NO 6 O Q W E R T Y U O A S D F G H K Z X C V B N M L 96 option command command optionTime Ru Attempt d For the worded responses, wri 1 Hour, I will review all papers when I grade the free response questions. 8 pts D Question 7 One water quality standard for water that is discharged into a particular type of stream or pond is that the average daily water temperature be about 18 degrees Celsius. Six samples taken throughout the day give the temperatures 16.8, 21.5, 19.1, 12.8, 18.0, 20.7 degrees Celsius. Determine whether the data provides sufficient evidence to support the claim that the daily mean temperature exceeds 18 degrees C. Use a 5% level of significance to answer the following questions-: ( i ) What is the test statistic using 3 decimal places? ( ii ) What critical value will this test statistic be compared to if the critical value method is used ? ( iii ) What will be the decision taken based on these results, reject H_0 or fail to reject H_0 ? Next " Previous Not saved Submit Quiz esc ! N W 6 8 O Q W tab E T Y U O P A S D aps lock F G H K Z X C V B N M ? control option command command option
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started