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One of the issues facing organizations is increasing biodiversity throughout the organization. Once of the ways to evaluate an organization's success at increasing diversity id to compare the percentage of employees in the organization in a particular position with a specific background percentage in a particular posisiton with that specific background in the general workforce. Recently a large academic medical center determined that 9 of 17 employees in a particular postiion were female, whereas 55% of the employees for this position in the general workforce were female. A the .05 level of significance, is there evidence that the proportion of females in this position at this medical center is different from what would be expected in the general workforce?
a. What is the probability that one randomly selected student scores above 1100 on the GRE? b. Describe the sampling distribution of the sample mean for the 16 students.
A Tamiami shearing machine produced 8 percent defective pieces. The quality control engineer has been checking the output by almost continuous sampling. What is the probability that in a sample of 9 pieces:
health experts recommend that runners drink 4 ounces of water every 15 minutes they run.runners who run three to eight
on a particular test iq scores for adults follow a bell-shaped symmetric distribution with mean100 and a variance of
the irs reported that 62 of individual tax returns were filed electronically in 2008. a random sample of 225 tax
Conduct a hypothesis test at the 6% level of significance to determine whether there is evidence that the true mean fill volume for all jugs of softener differs from 120 ounces.
Determine whether the Zero Population Growth data for urban U.S. resident is also true for rural U.S. residents on the basis of the sample data with α=0.05.
When performing a 2-way ANOVA with replication you must first: A) Perform an interaction hypothesis test B) Take out the error because you ran replicates and error makes no sense with replicates
Out of a random sample of 33 women, 23 ranked fresh fruit in their top five snack choices. Is there a difference in the proportion of men and women who rank fresh fruit in their top five list of snacks?
As a sample size approaches infinity, how does the student's t distribution compare to the normal z distribution? When a researcher draws a sample from a normal distribution, what can one conclude about the sample distribution? Explain.
A student is selected at random from the class. What is the probability that the student is both a junior and an economics major?
assume that a quality characteristic is normally distributed. an x-bar control chart is constructed with 3 sigma
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