A research center claims that at most 75% of adults in a certain country think that drivers are safer using hands-free cell phones instead of using hand-held cell phones. In a random sample of 150...


A research center claims that at most 75% of adults in a certain country think that drivers are safer using hands-free cell phones instead of using hand-held cell phones. In a random sample of 150 adults from that country, 74% think that drivers are safer usinghands-free cell phones instead of using hand-held cell phones. At α=0.02, is there enough evidence to reject the center's claim? Show all necessary work



Jun 01, 2022
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