## A market analyst is curious what proportion Los Angeles residents have a landline telephone. A survey of 200 randomly selected Los Ang

A market analyst is curious what proportion Los Angeles residents have a landline telephone. A survey of 200

randomly selected Los Angeles residents shows that 96 of those selected have a landline telephone. The analyst

wants to use this data to construct a one-sample z interval for a proportion.

Based on this sample, which of the following is a 90% confidence interval for the proportion of Los Angeles

residents who have a landline telephone?

## Answers ( )

Answer:0.48 ± 0.058

Step-by-step explanation:Right on khan