Mathematics, 21.11.2020 22:40, ana5246
A research center claims that more than 21% of employees in a certain country have changed jobs in the past years. In a random sample of 320 people from that country, 80 have changed jobs in the past years. At a=.05, is there enough evidence to support the center's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H0 and Ha.
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