A survey of 430 business travelers found 155 used a travel a

A survey of 430 business travelers found 155 used a travel agent to make arrangements (USA today, November 20,2003) Develop a descriptive statistic that can be used to estimate the percentage of all business travelers who use a travel agent to make travel arrangements. b.) The survey reported that the most frequent way business travelers make travel arrangements is using an online travel site. If 44% of business travelers surveyed made travel arrangements this way, how many of 430 business travelers used an online travel site?

Solution

(a) We can use Simple Arithmetic Average to estimate this percentage.

(b) Number of travelers using online site = 430 x 44% = 189.2 ~189 (Nearest integer)