An education researcher claims that at most 4​% of working college students are employed as teachers or teaching assistants. In a random sample of 600 working college​ students, 6​% are employed as teachers or teaching assistants. At α=0.05​, 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. nothing​% of working college students are employed as teachers or teaching assistants.   B. More than nothing​% of working college students are employed as teachers or teaching assistants.   C. The percentage of working college students who are employed as teachers or teaching assistants is not nothing​%.   D. At most nothing​% of working college students are employed as teachers or teaching assistants. Let p be the population proportion of​ successes, where a success is a working college student who is employed as a teacher or teaching assistant. 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​: pnothing   E. H0​: p≥nothing Ha​: pnothing Ha​: p≤nothing ​(b) Find the critical​ value(s) and identify the rejection​ region(s).   Identify the critical​ value(s) for this test.   z0=nothing ​(Round to two decimal places as needed. Use a comma to separate answers as​ needed.) Identify the rejection​ region(s). Select the correct choice below and fill in the answer​ box(es) to complete your choice. ​(Round to two decimal places as​ needed.)   A. The rejection region is nothingnothing.   C. The rejection region is znothing. ​(c) Find the standardized test statistic z.   z=nothing ​(Round to two decimal places as​ needed.) ​(d) Decide whether to reject or fail to reject the null hypothesis and​ (e) interpret the decision in the context of the original claim.   ▼   Fail to reject Reject the null hypothesis. There ▼   is is not enough evidence to ▼   support reject the​ researcher's claim.

A publisher reports that 56 % of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 200 found that 47 % of the readers owned a particular make of car. State the null and alternative hypotheses. Answer 囲 Tables E Keypad Keyboard Shortcuts Ho:

A medical journal published new medical research about diastolic blood pressure. Let the mean diastolic blood pressure reading be u mmHg. If a doctor wants to know if the new medical research discussed in the journal results in diastolic blood pressure readings that are, on average, less than 75 mmHg, what are the null and alternative hypotheses? Select the correct answer below: Ho: µ = 75; Ha:H 75 %3D O Ho: µ = 75; Ha: µ + 75

ideo Lec e so oxtra Pra Jorkshe ee sc A medical researcher says that less than 72% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600 Fables (fo adults in that country, 68% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. e sc Assignme (a) ldentify the claim and state Ho and H. 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.) Gradeboc e sc Email O A. Less than % of adults in the country think that healthy children should be required to be vaccinated. O B. More than % of adults in the country think that healthy children should be required to be vaccinated. еТеxt OC. % of adults in the country think that healthy children should be required to be vaccinated. Accessibl Resource O…