Almost all medical schools in the united states require students to take the medical college admission test (mcat). to estimate the mean score μμ of those who took the mcat on your campus, you will obtain the scores of an srs of students. the scores follow a normal distribution, and from published information you know that the standard deviation is 6.4. suppose that (unknown to you) the mean score of those taking the mcat on your campus is 24.in answering the following, use z-scores rounded to two decimal places. if you choose one student at random, what is the probability (±±0.0001) that the student's score is between 20 and 30? you sample 22 students. what is the standard deviation (±±0.01) of sampling distribution of their average score x¯¯¯x¯? what is the probability (±±0.0001) that the mean score of your sample is between 20 and 30?

Suppose the following items were taken from the balance sheet of nike, inc. (all dollars are in millions.) 1. cash $ 2,316.7 7. inventory $ 2,245.6 2. accounts receivable 2,786.2 8. income taxes payable 80.3 3. common stock 2,841.1 9. equipment 1,783.8 4. notes payable 291.2 10. retained earnings 6,162.5 5. buildings 3,959.7 11. accounts payable 2,624.6 6. mortgage payable 1,092.3 perform each of the following. classify each of these items as an asset, liability, or stockholders’ equity, and determine the total dollar amount for each classification. (enter amounts in millions up to 1 decimal place, e.g. 45.5 million.) cash accounts receivable common stock notes payable buildings mortgage payable inventory income taxes payable equipment retained earnings accounts payable assets $ 13092 liability $ 4088.4 stockholders’ equity $ 9003.6 etextbook and media determine nike’s accounting equation by calculating the value of total assets, total liabilities, and total stockholders’ equity. (enter amounts in millions up to 1 decimal place, e.g. 45.5 million.) total assets = total liabilities + total stockholders’ equity

Describe the three different ways the argument section of a cover letter can be formatted

Reliability and validity reliability and validity are two important considerations that must be made with any type of data collection. reliability refers to the ability to consistently produce a given result. in the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways. unfortunately, being consistent in measurement does not necessarily mean that you have measured something correctly. to illustrate this concept, consider a kitchen scale that would be used to measure the weight of cereal that you eat in the morning. if the scale is not properly calibrated, it may consistently under- or overestimate the amount of cereal that’s being measured. while the scale is highly reliable in producing consistent results (e.g., the same amount of cereal poured onto the scale produces the same reading each time), those results are incorrect. this is where validity comes into play. validity refers to the extent to which a given instrument or tool accurately measures what it’s supposed to measure. while any valid measure is by necessity reliable, the reverse is not necessarily true. researchers strive to use instruments that are both highly reliable and valid.