Nationally, the ratio of nurses to students falls short of the recommended federal standard, according to the USA Today article €œSchool nurses in short supply€ (August 11, 2009). The recommendation from the Centers for Disease Control and Prevention (CDC) is 1 nurse per 750 students. Use the sample below from 38 randomly selected schools in the state of New York to test the statement €œThe New York mean number of students per school nurse is significantly higher than the CDC standard of 750.€ Assume σ = 540

a. Describe the parameter of interest.
b. State the null and alternative hypothesis.
c. Calculate the value for z and find the p-value
d. State your decision and conclusion using a = 0.01

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