Question

a research center claims that at least 30% of adults in a certain country think that their taxes will be audited. in a random sample of 1100 adults in that country in a recent year, 25% say they are concerned that their taxes will be audited. at α=0.05, is there enough evidence to reject the center’s claim? complete parts (a) through (d) 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. the percentage of adults in the country who think that their taxes will be audited is not % . b. at least % of adults in the country think that their taxes will be audited. c. % of adults in the country think that their taxes will be audited. d. less than % of adults in the country think that their taxes will be audited.

Explanation:

The research center's claim is that at least 30% of adults in the country think their taxes will be audited. So we need to select option B and fill in 30 as the percentage since the claim is "at least 30%".

Answer:

B. At least 30% of adults in the country think that their taxes will be audited.