Mathematics, 25.11.2021 06:40 eichlingkera3
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 were made available at a substantially reduced cost. Data are collected from a random sample of 500 subscribers. The results indicate that 190 of the subscribers would upgrade to a new cellphone at a reduced cost. Complete parts (a) and (b) below. a. Construct a 95% confidence interval estimate for the population proportion of subscribers that would upgrade to a new cellphone at a reduced cost. nothingless than or equalspiless than or equals nothing (Round to four decimal places as needed.)b. How would the manager in charge of promotional programs use the results in (a)?A. The manager can infer that 95% of subscribers that would upgrade to a new cellphone at a reduced cost. B. The manager can infer that the true population proportion of subscribers that would upgrade to a new cellphone at a reduced cost
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