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 college students who work year-round is not ______%. B. At most ______% of college students workyear-round. C. At least ______% of college students work year-round. D. ______% of college students work year-round. (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.
An education researcher claims that 62% of college students work year-round. In a random sample of 300 college students, 186 say they work year-round. At a=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. The percentage of college students who work year-round is not ______%.
B. At most ______% of college students workyear-round.
C. At least ______% of college students work year-round.
D. ______% of college students work year-round.
(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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