University bookstore employees asked 225 students to complete a customer satisfaction survey after these customers bought their books. The bookstore manager wanted to find ways to improve the customer experience. Identify the sample and population for this example.

An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. A. What is the sample proportion from an American Express sponsored survey that found 355 of 546 business travelers use a laptop computer on overnight business trips (to 4 decimals)? B. What is the p-value (to 4 decimals)? Hint: you need to find the test statistics first before you calculate the p-value. 

After reading the example of where probability values can be used in managerial decision-making to establish a product guarantee, post a comment where you think probability could be used to help solve management questions/problems. Think of something at work, past or present, where you could apply the techniques in the example to assist in making the best decision. If you can’t draw on a life experience, then think of a product/issue where this process could be applied. Please explain your answer. Remember to cite your resources and use your own words in your explanation.

A

For the fiscal year​ 2007, a tax authority audited