The mean score of a girl in 3 tests is 68. What should her mean score in 2 remaining tests be in order to have an overall average of 80? 85 93 98 O 89

A survey of 1179 adults nationwide  asked what irks you most about The actions of other Motorist"The response was given tailgater was given by 796 people round to the nearest tenth of a percent

Is the average time to complete an obstacle course different when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right 45 41 46 50 41 43 48 40 Left 46 40 47 53 42 48 48 40 Assume a Normal distribution. What can be concluded at the the a = 0.01 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer ✓ H₁: Select an answer ✓ Select an answer ✓ Select an answer ✓ b. The test statistic ? ✓ = (please enter a decimal) Select an answer (Please enter a decimal) Select an answer (please show your…

The mean score on a set of 28 tests is 75. What is the sum of all the test​ scores?

Is the average time to complete an obstacle course different when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right 48 44 47 40 46 41 46 48 Left 45 42 45 36 45 35 44 45 Assume a Normal distribution.  What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use        The null and alternative hypotheses would be:        `0:`                        `a:`                    2. The test statistic     =  (please show your answer to 4 decimal places.) 3. The p-value =  (Please show your answer to 4 decimal places.)

Is the average time to complete an obstacle course different when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right 40 40 41 43 49 48 45 48 Left 37 36 41 43 48 46 46 43 Assume a Normal distribution. What can be concluded at the the a = 0.05 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Họ: pd vV (please enter a decimal) Select an answer v H1: ud vv (Please enter a decimal) Select an answer v b. The test statistic t v- (please show your answer to 3 decimal places.) c. The p-value = (Please show…

Compute the mean of 80, 60, 82, 48, 54, 76, 71. Round to 2 decimal places as needed   Your Answer:

Here are the fuel efficiencies (in mpg) of 15 new cars. 49, 35, 17, 21, 27, 23, 45, 50, 39, 51, 41, 47, 25, 14, 29 What is the percentage of these cars with a fuel efficiency less than 40 mpg?

Here are some of the Final Exam scores from last semester's class: 81, 77, 90, 93, 99, 88, 85, 70, 79, 91, 94, 87. Find the mean. Round your answer to 3 decimal places.

What percent of students earned a passing grade of 70 or higher? TEST SCORES: 50,60,61,63,66,67,73,82,89,92