Use this set-up for Problems 53-56: A Quinnipiac poll performed on January 28-February 1, 2021 asked Americans, “Are you willing to get a COVID-19 vaccine, or not?” 30% of respondents said they were not. You wonder whether this proportion has changed in the past few years, so you conduct a poll of 100 Americans and ask the same question. 25 people in your sample were unwilling to get the COVID-19 vaccine. Suppose you set . What hypotheses should you set-up to determine if the percentage has changed since the initial poll?

True or False:If the and , the appropriate decision is to REJECT the null hypothesis.

The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Round to 3 decimal places. Age at Retirement 50 – 55 56 – 60 61 – 65 Over 65 Total Attorney 9 41 90 49 189 College Professor 10 48 81 43 182 Administrative Assistant 21 45 63 49 178 Store Clerk 18 44 70 50 182 Total 58 178 304 191 731 Suppose one of these people is selected at random.Compute the probability that the person either retired between 56 – 60 or was an administrative

To make a 1:5 dilution of a stock solution: you must add what volume of stock solution to 1 mL of deionized water?  

Which element of sound is a score composed by artists to add to the overall feel and theme of thevideo/film?

What are the three elements of sound in digital video production?

What kind of mic has a long, almost conical shape and is usually attached to a camera or boom pole?

What kind of mic is small and designed to be clipped onto the neck of a shirt or t-shirt?

Besides the micelles of casein, there are other proteins in milk. These non-micelle proteins are called:

Find the exact value of the indicated trigonometric function of θ. csc θ = – , θ in quadrant III Find cot θ.