Task 1 How did you use vour cell phone? A PPew Internet poll asked cell phone owners how they used their cell phones. One question asked whether or not during the past 30 days they had used their phone while in a store to call a friend \"or family member for advice about a purchase they were considering. The poll surveyed 1003 adults living in the United States by telephone. Of these, 462 responded that they had used heir cell phone while in a store within the last 30 days to call a friend or family member for advice about a purchase they were considering. Part 1 (a) Identify the sample size and the count. (b) Caleulate the sample proportion. () Explain the relationship between the population proportion and the sample proportion. Part 2 (a) Report the sample proportion, the standard error of the sample proportion, and the margin of error for 95% confidence. (b) Are the guidelines for when to use the large-sample confidence interval for a population pro- portion satisfied in this setting? Explain your answer. () Find the 95% large-sample confidence interval for the population proportion. (d) Write a short statement explaining the meaning of your confidence interval