Kizspy | Question: 43
(Choose 1 answer)
Let 20.05 1.645; 20.025 1.96
A cellphone provider has the business objective of wanting to estimate the proportion of subscribers who would upgrade to new cellphone with improved features if it were made available at a substantially reduced cost. Data are collected from a random sample of 250 subscribers and there are 165 of these subscribers would upgrade to a new cellphone at a reduced cost. Find the width of 95% confidence interval estimate for the true proportion of subscribers that would upgrade to a new cellphone at a reduced cost.
Α. 0.1174
Β. 0.0587
C. 0.0493
D. 0.0986
E. None of the other choices is correct
