i want 4,5 to be done separate

4. Application A high-school soccer coach wonders if there is a relationship between the number of hours students work at part-time jobs each week and the number of hours they spend on school sports and clubs. a) Create unbiased survey questions that could be used to research this topic. Explain why your survey questions are unbiased b) The school has 1000 students in Grades 9 through 12. Suggest a sample size and sampling technique that could be used for this study. () Would you recommend a written questionnaire or interview for this study? Justify your answer. 5. Thinking Ari and Bianca plan to open a computer store in their town of 25 000 people. They need a bank loan to begin the business. As part of their loan application, they prepare a business plan. It includes this information. . We surveyed 60 adults in town to determine the level of support for our business venture. . We selected our sample by randomly choosing numbers out of the town phone book. . We called, asked to speak to an adult, then posed our question. It is nearly impossible to function today without a computer. Our town has no computer store. Do you agree that it would be a good idea to have a computer store in town to serve all your computer needs? O Strongly agree O Somewhat agree O Somewhat disagree O Strongly disagree Our conclusion: Since 70% of the people would It Would Be a Good Idea to Have a Computer Store in Town like a computer store in town, we will have a good Strongly disagree customer base for our business. Somewhat 10% Strongly agre disagree 55% If you were the bank manager, would you find 20% their survey persuasive? Justify your answer. Somewhat agree 15%