In 2022, the U.S. is running a trade deficit of $500 billion. The surplus in 2024 is $380 billion. Assuming the interest rate is a constant

75.    A statistical analysis yields a p-value of 0.03. This means that:a.    The results are statistically significantb.    There is a less than 3% chance that the significance of the results occurred by pure coincidencec.    The Null hypothesis must be rejectedd.    The Alternate hypothesis must be acceptede.    All of the above 

35.    The mean annual per capita cost is lower in community water fluoridation systems for larger populations than it is for smaller populations. The optimal level for water fluoridation is 0.7 ml F per liter of water regardless of climatic conditions.a.    Both statements are trueb.    Both statements are falsec.    1st statement is true; 2nd statement is falsed.    1st statement is false; 2nd statement is true

89.    How much fluoride should be added to the water to bring the level to optimal levels?a.    0.5 mg Fb.    0.0 mg Fc.    0.7 mg Fd.    1.0 mg F

87.    As a private practice hygienist, what would be the best thing for you to do to help get the fluoride referendum passed?a.    Make a financial contribution to the causeb.    Continue educating patients on the benefits of fluoridec.    Go to law school to help with dental hygiene policies :)d.    Check with your local DH component and policy makers to see what plans are and how you might be able to help

59.    In a normal, bell-shaped distribution, which of the following is true:a.    More scores are in the lower rangeb.    More scores are in the higher range  c.    The mean, median and mode are equald.    There will be a skewed distribution to the left or right

53.    Collectively, components of a community profile can provide a broader snapshot that describes a certain population. A community profile should include all the following components EXCEPT:a.    Demographicsb.    Locationc.    Values and interestsd.    Interviews with members of the community

56.    Dental hygienists who serve on the dental boards are evaluating skills of new graduates to make sure they are competent enough to serve the public safely. They are demonstrating which dental hygiene role?a.    Consumer advocateb.    Educatorc.    Administratord.    Clinician

Use the following case scenario to answer the next 4 questions (#79 – 82)You and your team are designing a program for a Head Start Class of 20 four-year old children living in a non-fluoridated community.  Your program will consist of consists of dental screening, systemic fluoride, and daily plaque control in the classroom. 82.    In writing a behavior objective for learning how to brush teeth, which of the following is the best performance verb to select for the target demographic?    a.    to believeb.    to demonstratec.    to understandd.    to know

49.    A sample is a subset of a population that best represents a population being studied. Parameters are characteristics of a sample.a.    Both statements are trueb.    Both statements are falsec.    1st statement is true; 2nd statement is falsed.    1st statements is false; 2nd statement is true