An internet survey reported that 64% of users of a popular social networking web

Question

An internet survey reported that 64% of users of a popular social networking website have taken a voluntary break from that site of several weeks or more at one time or another. The survey contacted 1,007 adults living in the United States by landline and cell phone. The 535 people who reported that they were users of this particular site were asked, "Have you ever voluntarily taken a break from the site for a period of several weeks or more?" A total of 340 responded, "Yes, I have done this." Here, p is the proportion of adults in the populations of site users who have taken a break of several weeks or more, and the sample proportion p is the following. (Round your final answer to four decimal places.)

p = /n = ?/?=?

Explanation / Answer

Solution :

Given that ,

n = 535

X = 340

The sample proportion p is

p = X / n = 340 / 535 = 0.6355

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