The 2016 Minneapolis Resident Survey was a questionnaire that the City of Minneapolis issued to its randomly chosen residents. In this survey, 1,155 of the 2,307 respondents (50.1%) rated their neighborhood as a very good place to live. After adjusting for the demographic characteristics of the population, the City of Minneapolis concluded with 95% confidence that the true proportion of all residents considering their neighborhood as a very good place to live is between 0.44 and 0.50.
Which of the following statements are correct?
a. The Minneapolis Resident Survey was an observational study.
b. The Minneapolis Resident Survey was an experiment.
c. Figure 50.1% is a descriptive statistic for the sample.
d. Figure 50.1% is a statistical inference for the population.

The beach dude (bd) employs a legion of current and former surfers as salespeople who push its surfing-oriented products to various customers (usually retail outlets). this case describes bd's sales and collection process. each bd salesperson works with a specific group of customers throughout the year. in fact, they often surf with their customers to try out the latest surf gear. the bd salespeople act laid-back, but they work hard for their sales. each sale often involves hours of surfing with their customers while the customers sample all the latest surf wear. because bd makes the best surfing products, the customers look forward to the visits from the bd salespeople. and they often buy a lot of gear. each sale is identified by a unique invoice number and usually involves many different products. customers pay for each sale in full within 30 days, but they can combine payments for multiple sales. bd manages its clothing inventory by item (e. g., xl bd surfer logo t-shirts), identified by product number, but it also classifies the items by clothing line (the lines are differentiated by price points as well as the intended use of the clothing, e. g., surfing products, casual wear, . draw a uml class diagram that describes the beach dudes sales and collection process. b. using microsoft access, implement a relational database from your uml class diagram. identify at least three fields per table. c. describe how you would use the relational database to determine the beach dude’s accounts receivable.

The research of robert siegler and eric jenkins on the development of the counting-on strategy is an example of design.

How has apple been able to sustain its competitive advantage in the smartphone industry? a. by reducing its network effects b. by targeting its new products and services toward laggards c. by driving the price for the end user to zero d. by regularly introducing incremental improvements in its products