Question

A research center claims that less than 20% of Internet users in the United States have wireless network in their home. In a random sample of 100 adults, 15 say they have a wireless network in their home. At α = 0.01 , is there enough evidence to support the researcher's claim? Step I Hypothesis:

Name: a research center claims that less than 20 of internet users in the united states have wireless network in their home in a random sample of 100 adults 15 say they have a wireless network in their home
Uploaded: 2022-08-10T11:47:21-08:00
Duration: 2 min 6 s
Channel: Qudsiya Anis
Description: a research center claims that less than 20 of internet users in the united states have wireless network in their home in a random sample of 100 adults 15 say they have a wireless network in their home

          A research center claims that less than 20% of Internet users in the United States have wireless network in their home.  In a random sample of 100 adults, 15 say they have a wireless network in their home.  At 
α
=
0.01
, is there enough evidence to support the researcher's claim?

Step I Hypothesis:

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Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Qudsiya Anis

08/10/2022

Step 1

This can be written as H0: p ≥ 0.20. The alternative hypothesis (H1) is that less than 20% of Internet users in the United States have a wireless network in their home. This can be written as H1: p < 0.20. Step II: Test Statistic We will use a one-sample z-test Show more…

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A research center claims that less than 20% of Internet users in the United States have wireless network in their home. In a random sample of 100 adults, 15 say they have a wireless network in their home. At α = 0.01 , is there enough evidence to support the researcher's claim? Step I Hypothesis: