research center claims that more than 29% of employees in a certain country have changed jobs in the past three years. In a random sample of 220 people from thatcountry, 77 have changed jobs in the past three years. At α=0.05, 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. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. ______% of employees in the country have changed jobs in the past three years.
A research center claims that more than 29% of employees in a certain country have changed jobs in the past three years. In a random sample of 220 people from thatcountry, 77 have changed jobs in the past three years. At α=0.05, 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.
Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.)
A. ______% of employees in the country have changed jobs in the past three years.
B. The percentage of employees in the country who have changed jobs in the past three years is not ______%.
C. At most ______% of employees in the country have changed jobs in the past three years.
D. More than ______% of employees in the country have changed jobs in the past three years.
(b) Find the critical value(s) and identify the rejection region(s).
(c) Find the standardized test statistic z.
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
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