1:40 Remaining Time: 2 hours, 21 minutes, 37 seconds. Question Completion Status: 5G 39 < < Question 16 of 25 >>> A Moving to another question will save this response. 10 points Save Answer Given the table below about traffic fatalities in the United States in 2013, answer the following questions: Alcohol- Related Not Alcohol- Related Total Traffic fatalities 2534 9873 12407 before 6pm Traffic fatalities after 7542 12770 20312 6pm Total 10076 22643 32719 What is the probability that out of two randomly selected traffic fatalities in 2013, neither were alcohol related? (Round to two decimal places) 0.69 0.09 AA 0.48 0.91 blackboard.forsythtech.edu 1:40 Remaining Time: 2 hours, 21 minutes, 27 seconds. Question Completion Status: 5G 39 Question 17 of 25 >>> Moving to another question will save this response. 10 points Save Answer Given the table below about traffic fatalities in the United States in 2013, answer the following questions: Alcohol- Related Not Alcohol- Related Total Traffic fatalities 2534 9873 12407 before 6pm Traffic fatalities after 7542 12770 20312 6pm Total 10076 22643 32719 Given that a 2013 traffic fatality occurred after 6pm, what is the probability that it was alcohol-related? (Round to two decimal places) 0.08 0.20 0.37 0.69 blackboard.forsythtech.edu 1:41 Remaining Time: 2 hours, 21 minutes, 18 seconds. Question Completion Status: 5G 39 < < Question 18 of 25 >>> Moving to another question will save this response. 10 points Save Answer Given the table below about traffic fatalities in the United States in 2013, answer the following questions: Alcohol- Related Not Alcohol- Related Total Traffic fatalities 2534 9873 12407 before 6pm Traffic fatalities after 7542 12770 20312 6pm Total 10076 22643 32719 What is the probability that out of two randomly selected traffic fatality in 2013, that at least one was alcohol- related? 0.09 0.48 0.52 0.91 blackboard.forsythtech.edu 1:41 MIVI Your answers are saved automatically. Remaining Time: 2 hours, 21 minutes, 08 seconds. Question Completion Status: 5G 39 < < Question 19 of 25 >>> Moving to another question will save this response. 10 points Save Answer Suppose that the battery life on the Apple iPhone is approximately normally distributed with mean 7 hours. and standard deviation 0.8 hour. Find the probability that a fully charged iPhone will last more than 6 hours. 0.2283 0.8944 0.1056 0.7717 < < Question 19 of 25 A Moving to another question will save this response. blackboard.forsythtech.edu 1:41 5G 39 , '''' Do not leave the test before clicking Save and Submit. Your answers are saved automatically. Remaining Time: 2 hours, 21 minutes, 02 seconds. * Question Completion Status: < < Question 20 of 25 > >> Moving to another question will save this response. 10 points Save Answer The amount of soda in 2-liter bottles of Coke is normally distributed with a target mean fill volume of =2.05 liters and a standard deviation of =0.05 liters. Determine the standard error of the sampling distribution of x, the sample mean fill volume, for a random sample of 25 such bottles. 0.01 liters 0.10 liters 2.05 liters 0.05 liters blackboard.forsythtech.edu 1:41 5G 39 Force Completion Once started, this test must be completed in one sitting. Do not leave the test before clicking Save and Submit. Your answers are saved automatically. Remaining Time: 2 hours, 20 minutes, 55 seconds. Question Completion Status: < < Question 21 of 25 >>> Moving to another question will save this response. 10 points Save Answer A random sample of 40 recent college graduates results in a mean time to graduate of 4.58 years, with a standard deviation of 1.10 years. Compute a 90% confidence interval for time to graduate with a bachelor's degree. (4.287, 4.873) (4.239, 4.921) (4.294, 4.866) (4.228, 4.932) blackboard.forsythtech.edu 1:41 Your answers are saved automatically. 5G 39 Remaining Time: 2 hours, 20 minutes, 50 seconds. Question Completion Status: < < Question 22 of 25 > >> Moving to another question will save this response. 10 points Save Answer From a random sample of 768 people ages 15-22, Rolling Stone magazine found that 672 preferred Harry Styles solo over when he was with the band One Direction. Obtain a point estimate for the proportion of people ages 15-22 who prefer Harry Styles solo versus when he was with One Direction. 768 1.143 0.672 0.875 < < Question 22 of 25 >>> II blackboard.forsythtech.edu 1:41 Remaining Time: 2 hours, 20 minutes, 43 seconds. Question Completion Status: 5G 39 10 points Save Answer Descriptive statistics for BMI (body mass index) for two different groups (people that regularly exercise and people who do not) are given below: No Exercise group: x =26.8 and s =4.5, n=20 x1 Exercise group: x =24.5 and s 2 x2 =2.8, n=17 Test whether the exercise group has a lower BMI than the No Exercise group at a=0.05 level of significance. We will assume conditions for normality are verified and affirmed. What would the Hypothesis Statement be for this test? 0 H : # A 1 2 H = 2 0 : > H A 1 H : ,= 0 : 1:41 Remaining Time: 2 hours, 20 minutes, 36 seconds. Question Completion Status: 5G 39 Question 24 of 25 > >>> A Moving to another question will save this response. 10 points Save Answer Descriptive statistics for BMI (body mass index) for two different groups (people that regularly exercise and people who do not) are given below: No Exercise group: x =26.8 and s 1 =4.5, n=20 x1 Exercise group: x =24.5 and s 2 =2.8, n=17 x2 Test whether the exercise group has a lower BMI than the No Exercise group at a=0.05 level of significance. We will assume conditions for normality are verified and affirmed. Find the p-value for this test? (Round to four decimal places) 0.0336 0.0500 0.9664 0.0672 blackboard.forsythtech.edu 1:41 Remaining Time: 2 hours, 20 minutes, 25 seconds. 5G 39 * Question Completion Status: Descriptive statistics for BMI (body mass index) for two different groups (people that regularly exercise and people who do not) are given below: No Exercise group: x =26.8 and s 1 =4.5, n=20 x1 Exercise group: x =24.5 and s 2 x2 =2.8, n=17 Test whether the exercise group has a lower BMI than the No Exercise group at a=0.05 level of significance. We will assume conditions for normality are verified and affirmed. What would be the conclusion of this test based off of your p-value? Reject H There is insufficient evidence to 0 conclude that the Exercise group has a lower BMI than the No Exercise group. Fail to Reject H 0 There is insufficient evidence to conclude that the Exercise group has a lower BMI than the No Exercise group. Fail to Reject H 0 There is sufficient evidence to conclude that the Exercise group has a lower BMI than the No Exercise group. Reject H 0 There is sufficient evidence to conclude that the Exercise group has a lower BMI than the No Exercise aroup. blackboard.forsythtech.edu