(Source: Gtk Roper for Best Buy Mobile) Percentage of Top Five Reasons Percentage of Reasons We Like Texting Responses Responses Customer service Convenience for basic Information 79% 53% Marketing/sales 58% Works where talking won't do 75% Financial management 48% Quicker than calling 56% Decision making 40% Easier when facing arguments 37% 27% Negotiation Dislike phone conversations 30% Great for flirting 25% Questions 1 -3 Refer to the Survey Results on Customer Service 1. Refer to the fine print in the graphic to answer the following questions about the survey. a) How many surveys were submitted? b) How would readers know multiple responses were permitted if it had not been stated? c) Based on the information in the graphic, provide a general interval estimate for the population parameter for ONE of the identified. Define the parameter and explain the process you used to determine the interval estimate. 2. Select ONE of the reasons for wanting better customer service skills that you did NOT use to answer #1. a) For the selected reason, define the population parameter, p, and identify n and P from the graphic and fine print. Determine if the distribution of sample proportions is approximately normal, or not. Justify your response. b) Use the values to determine the mean and standard error of a sampling distribution of sample proportions for samples of size n. Show the work which supports your answer. 3. Select ONE of the reasons for wanting better customer service skills that you did NOT use to answer #1 or #2. a) Define the population parameter, p, for the selected reason and identify a point estimate for the true population proportion. b) Determine the margin of error for a confidence interval (You choose the confidence level). c) Identify and interpret the corresponding confidence interval for the population parameter