Question: - r TS P - This test: 65 point(s) possible @ Submit test es! Question90f13 > This question: 5 point(s) possible were made available at

- r TS P - This test: 65 point(s) possible @ Submit test es! Question90f13 > This question: 5 point(s) possible were made available at a substantially reduced cost. Data are collected A cellphone provider has the business objective of wanting to estimate the proportion of subscribers who would upgrade to a new cellphone with improved features if it from a random sample of 500 subscribers. The results indicate that 185 of the subscribers would upgrade to a new cellphone at a reduced cost. Complete parts (a) and (b) below. | | | 4. Construct a 99% confidence interval estimate for the population proportion of subscribers that would upgrade to a new cellphone at a reduced cost. | i | | [sas (Round to four decimal places as needed.) | i | | b. How would the manager in charge of promotional programs use the results in (a)? () A. The manager can infer with 99% confidence that the proportion of subscribers in the sample that would upgrade to a new cellphone at a reduced cost is somewhere in this interval | () B. The manager can infer that the true population proportion of subscribers that would upgrade to a new cellphone at a reduced cost is somewhere in this interval 99% of the time. % () C. The manager can infer with 99% confidence that the population proportion-of all subscribers that would upgrade to a new cellphone at a reduced cost is somewhere in this interval ) D. The manager can infer that 99% of subscribers that would upgrade to a new cellphone at a reduced cost. \\ \\ @ Time Remaining: 01:45:36 m

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