An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 400 working college students, 5% are employed as teachers or teaching assistants. At a=0.10, is there enou evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H, 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.) O A. At most % of working college students are employed as teachers or teaching assistants. O B. More than % of working college students are employed as teachers or teaching assistants. Oc. % of working college students are employed as teachers or teaching assistants. OD. The percentage of working college students who are employed as teachers or teaching assistants is not %. 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 Ho and Hg. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) O A. Họ p> H ps OD. Ho p= O B. Ho: p< H p2 OE Ho p2 OC. Ho: p H p= OF. Ho ps Hai p> Ha p (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test.

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 a=0.10, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. Identify the claim in this scenario. Select the corect choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) %. O A. The percentage of working college students who are employed as teachers or teaching assistants is not O B. At most % of working college students are employed as teachers or teaching assistants. OC. More than % of working college students are employed as teachers or teaching assistants. O D. % 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…

Which of the following research hypotheses is said to be non-directional? Ha: Salary ≠ $165,000 Ha: Obedience < 65%

A company manufacturing CDs is working on a new technology. A random sample of 717 Internet users were asked "As you may know, some CDs are being manufactured so that you can only make one copy of the CD after you purchase it. Would you buy a CD with this technology, or would you refuse to buy it even ifit was one you would normaly buy?" Of hose usert, 56% responded that they would buy the CD. Complete parts a and b below a) Create a 90% confidence interval for this percentage 口口 (Round to three decimal places as needed, Use ascending order.)

The Food and Drug Administration (FDA) is charged with protecting consumers from unsafe and ineffective drugs on the market. Suppose an effective drug is being tested for safety using the hypotheses: Ho: Drug is safe        Ha: Drug is not safe a. Explain the consequence of type I error to the manufacturer. b. Explain the consequence of type II error to the manufacturer.

A humane society claims that less than 62% of households in a certain country own a pet. In a random sample of 500 households in that country, 290 say they own a pet. At a = 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify 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.) O A. Less than % of households in the country own a pet. O B. % of households in the country own a pet. O C. The percentage households in the country that own a pet is not %. O D. More than % of households in the country own a pet. Let p be the population proportion of successes, where a success is a household in the country that owns a pet. State Ho and H.. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) CO A. Hnipz O B. Hnip= OC.…