n education researcher claims that 57​% of college students work​ year-round. In a random sample of 600 college​ students, 342 say they work​ year-round. At α=0.01​, is there enough evidence to reject the​ researcher'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. At least nothing​% of college students work​ year-round.   B. At most nothing​% of college students work​ year-round.   C. The percentage of college students who work​ year-round is not nothing​%.   D. nothing​% of college students work​ year-round. Let p be the population proportion of​ successes, where a success is a college student who works​ year-round. State H0 and Ha. Select the correct choice below and fill in the answer boxes to complete your choice. ​(Round to two decimal places as​ needed.)   A. H0​: p≤nothing Ha​: p>nothing   B. H0​: p≠nothing Ha​: p=nothing   C. H0​: p>nothing Ha​: p≤nothing   D. H0​: p≥nothing Ha​: pnothing.   B. The rejection region is znothing.   D. The rejection region is nothing

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.