A sport analyst wants to determine the mean salary of a Baseball player for 2015. He believes an estimate of this average salary using a confidence interval is sufficient. How large a sample should he take to be within $497,000 of the actual average with 80% confidence? He calculates the standard deviation of salary for all baseball players for 2015 is about $5,478,384.55. Round your answer to whole number.   Use the attached Excel spreadsheet to calculate the answer for this question: Blank spreadsheet for your use.xlsx 

Ship collisions in the Houston Ship Channel are rare. Suppose the number of collisions are Poisson distributed, with a mean of 1.2 collisions every four months. What is the probability of having one or less collision over a four-month period? Round you answer to 3 decimal places. For example, if the answer is 0.52443, enter 0.524 below.

A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of American workers say job stress caused frequent health problems. Suppose a random sample of 25 American workers is selected. Based on the relevant binomial distribution, answer the following questions about X, the number of American workers who say job stress caused frequent health problems:                                   What is the probability that X is at least 17? Round your answer to 3 decimal places. For example, if the answer is 0.52443, enter 0.524

Dextrose is considered an “isotonic crystalloid”.

Approximately how much of a mammals body is made up of extracellular fluid (ECF)?

It is best to use a/an ____ needle for SQ fluids.

Being competent in the use of information technology (IT) in clinical practice is expected in professional nurses. Advanced practice competence includes the ability to:

One of the significant quality improvement initiatives involving informatics in the clinical area is to:

Computerized order entry can help reduce medication errors. Which of the following is not a benefit of computerized order entry?

The use of IT for quality improvement in pharmacotherapeutics includes: