Returns Year Y 1 14 % 20 % 17 29 3. 8. 15 - 10 10 4. - 11 19 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance to 5 decimal places, e.g., .16161.) Y Average returns Variances Standard deviations %

QUESTION 5 A survey was given to a group of students that asked about which sports they liked. Of the 65 students surveyed, 30 students liked both soccer and basketball, 40 students liked basketball, and 20 students like only soccer but not basketball. a) Complete the table by filling in the blank boxes. i k e BESKG4 a k e b a ||| DICC d n Like Soccer Didn't Like Soccer Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air Total I Save A

The next three questions are based on the following information: We're trying to determine if Lamborghini Aventador and Ferrari Enzo are different from each other based on their speed. In order to test this we record the average speed of 50 laps for each car. Which of the following is our alternate hypothesis O A. H1: Population average speed (Lamborghini) - Population average speed (Ferrari) = 0 B. H1: Population average speed (Lamborghini) - Population average speed (Ferrari) not equal to 0 C. H1: Population average speed (Lamborghini) - Population average speed (Ferrari) > 0 D. H1: Population average speed (Lamborghini) - Population average speed (Ferrari) < 0

Please help me with question #5 with as much explanation as possible please. I really want to understand this

The answers given are incorrect

Please answer the first 3 questions.