Question 16 of 17 Sapling Learning Map man learning Suppose Rachel is searching for a new...
Suppose Rachel is searching for a new home. A report states that the mean home size in a particular neighborhood is 2655 ft with a standard deviation of 205 ft. Rachel thinks that these reports are inaccurate and that homes in this neighborhood are smaller than reported. She researches the records of 36 homes in the neighborhood and finds the mean size to be 2465 ft? Which of the following is Rachel's claim? The mean square footage of all homes...
Question 9 (1 point) You work for a company in the marketing department. Your manager has tasked you with forecasting sales by month for the next year. You notice that over the past 12 months sales have consistently gone up in a linear fashion, so you decide to run a regression the company's sales history. You find that the regression equation for the data is (sales) 104.21*(time) + 113.38. In 11 months you see the actual sales quantity was 380.64....
Question 16 (5 points) Saved Opinion polls find that 20% of Americans adults claim that they don't get enough sleep. Suppose you take a random sample of 20 American adults and count the number of individuals in your sample who claim that they never have time to relax. Based on this information, match the following probabilities. 1. What is the probability that at least 8 out of 20 American adults don't get enough sleep? 0.968 0.055 2. What is the...