There are 3 nursing positions to be filled at Lilly Hospital. Position one is the day nursing supervisor; position two is the ni
1 answer:
Answer:
2730 possible ways
Step-by-step explanation:
Given
Required
Number of possible selections
Since there is no restriction, the number of selection is calculated as:
The day nursing supervisor position can be occupied by any of the 15 applicants
The night nursing supervisor position can be occupied by any of the remaining 14
The nursing coordinator position can be occupied by any of the 13
So, the number of ways is then calculated as:
<em>Hence, there are 2730 possible ways</em>
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Answer:
The value that represents the 90th percentile of scores is 678.
Step-by-step explanation:
Problems of normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
Find the value that represents the 90th percentile of scores.
This is the value of X when Z has a pvalue of 0.9. So X when Z = 1.28.
The value that represents the 90th percentile of scores is 678.